Thursday, July 4, 2013

RHR: Diagnosing and Treating Lyme Disease

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There are few subjects in medicine more controversial than Lyme disease. In this episode, I discuss the issues surrounding the diagnosis and treatment of Lyme with Dr. Sunjya Schweig, a functional medicine physician who specializes in tick-borne illness.

In this episode, we cover:

2:33 How Dr. Sunjya Schweig started treating Lyme Disease
5:29 What is Lyme Disease (and the Controversy Surrounding It)?
12:55 De-mystifying the Testing and Diagnosis of Lyme Disease
24:01 Promising New Lyme Disease Testing Solutions
34:37 What to do if You Think You Have Lyme Disease
38:58 Steps for Preventing Lyme Disease
44:07 What Are Effective Lyme Disease Treatment Options?

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Steve Wright:  Hey, everyone.  Welcome to another episode of the Revolution Health Radio Show.  This show is brought to you by ChrisKresser.com, and I’m your host, Steve Wright from SCDLifestyle.com.  Now, with me is integrative medical practitioner and healthy skeptic Chris Kresser.  So Chris, how’s your day going?

Chris Kresser:  It’s great.  Another beautiful day here in California, and I’m really busy these days finishing up the book, which is exciting but time consuming.  And I’m really excited about our guest today.  His name is Dr. Sunjya Schweig, and he is a functional medicine physician out here in California that specializes in the treatment of Lyme disease, which we’ve talked about a few times but haven’t covered in depth.  Sunjya has become also a friend lately, and we’ve had a number of conversations about it personally, and so I thought it would be great to bring him on the show to get the perspective of someone who is kind of on the ground treating Lyme on a daily basis.  So yeah, we’re going to introduce him here in a second, just after the intro.

Steve Wright:  Yeah, I’m pretty excited because I have a number of really close friends who’ve been affected by Lyme disease, and so I’ve seen the devastation that it can cause firsthand.  So I’m excited for this show, and I also just want to let the listeners know that I’m coming to you live right now from Jordan’s closet in Montana, so I’m joining you, Chris, with recording in a closet for the first time.

Chris Kresser:  Awesome.

Steve Wright:  So if the sound quality’s a little off this week or if it’s a little better, I guess we’re going to learn something from this show.

OK, so before we bring on the doctor, I just want to tell everybody who’s listening to this show, if this is your first time listening to the Revolution Health Radio Show, you’re probably going to want to check out what over 30,000 other people have already signed up for.  It’s Chris’ 13-part, free email series called Beyond Paleo.  Now, this email series is Chris’ best tips and tricks for burning fat, boosting energy, and preventing and reversing disease without drugs.  So if this sounds cool, go over to ChrisKresser.com, look for the big red box, and go ahead and put your name and email in that box.  And when you sign up, Chris is going to start sending you those emails right away this week.

OK, Chris, are we ready to bring on our guest?

Chris Kresser:  Let’s do it.  OK, everyone, so I’d like to introduce Sunjya Schweig.  He’s a functional medicine physician here in Northern California, and we’re excited to have him on the show to talk to us a little bit about Lyme disease, which is, as we’ve discussed before, a very controversial topic.  But before we do that, Sunjya, maybe you could just introduce yourself and tell us a little bit about your background, how you got interested in functional medicine, and in particular, how you got involved in treating Lyme disease.

Dr. Sunjya Schweig:  Sure.  Well, first of all, thank you very much for having me on the show.  It’s a pleasure to be here.  My journey into medicine, I was always pretty focused on practicing and learning complementary, alternative, integrative medicine, even from before I went to medical school.  And so when I did enter med school at UC Irvine, I went there specifically because they actually have a growing integrative medicine program and so I was pretty active during medical school with integrative medicine education and designing and leading courses, and I followed that through into residency when I went to UCSF Santa Rosa Family Practice Program.  And I knew the whole time that I really pretty much had to end up practicing integrative medicine, otherwise I wasn’t going to last.  Just from everything I had experienced growing up and prior life experience told me that that was the best way to do it, and combining the integrative alternative side with a good, solid Western science background really made sense, too.  And so through residency I continued to do that allopathic Western medicine route, but whenever I could, I would do electives in integrative medicine and go and precept or shadow integrative doctors in the area, go to conferences, do reading, whatever I could figure out to bring it all together.  And then as soon as I finished residency, I jumped right into working in an integrative medicine practice up on Sonoma County, which I’ve been doing ever since.

And originally, a big part of what got me into looking at and working with Lyme disease was when my wife was diagnosed with it.  In addition, about 6 or 8 months later, we also found out that my stepmother also had Lyme.  And watching them go through their treatment courses with this really pushed me to dive pretty deeply into the research and into the information behind all of it.

Chris Kresser:  So let’s just dive in and start talking about this crazy thing called Lyme disease.  As you and I have discussed, Sunjya, and as we’ve talked about on the show, there’s really a broad spectrum of perspectives on Lyme disease.  On the one end of the extreme, you have perhaps the CDC perspective that chronic Lyme is a myth and doesn’t exist, and there’s just an acute infection that happens with Lyme disease.  And they recognize that some people with acute Lyme may have chronic symptoms, but they don’t believe that it’s associated with a continuing Lyme infection.  And then on the other end of the spectrum you have some people, primarily you’ll find them on the Internet, claiming that nearly everyone has chronic Lyme or just about symptom that someone might experience is due to chronic Lyme, and it’s become a little bit of a fad diagnosis in a way.  So let’s maybe just start from the beginning and talk a little bit about what Lyme is and maybe explore it as an organism and just talk about some basics on Lyme, and then we can go into this controversy in a little bit more detail.

Dr. Sunjya Schweig:  Sure.  Yeah, that’s sounds good.  And I think that’s a good frame.  The degree and depth of the controversy that exists in this country is fairly staggering on both sides, so I think that’s definitely a good topic of discussion.  But what is Lyme disease?  In the very specific sense, if we’re talking about Lyme disease, it refers specifically to a bacteria called Borrelia burgdorferi, which is a spirochete bacteria and is transmitted by tick bite, and if you go further into the controversial end of things, there is discussion about other modes of transmission, but the best documented, best known route of transmission is by a tick bite, and usually it’s the black-legged tick, whether it’s the Ixodes scapularis or the Ixodes pacificus.  Scapularis is on the East Coast more, and the pacificus is out here on the West Coast.

Chris Kresser:  Yeah, literally right outside my door!

Dr. Sunjya Schweig:  Yeah.

Chris Kresser:  As we discovered the other day!

Dr. Sunjya Schweig:  That’s right.  So technically Lyme disease refers to the infection with that one spirochete bacteria and its possible sequelae.  And what’s not controversial is that people can get bitten by a tick, they can have transmission of this bacteria, and they can become sick from it in the acute phase.  And it can cause fever, headaches, malaise, flu-like symptoms, migratory joint pain, pain that starts in one knee and then moves to one shoulder and then moves to an elbow and then to a hand or an ankle.  There are very few things that do that other than Lyme disease.  And we’ll talk more, I’m sure, but where the controversy sort of builds is as to whether this bacteria could potentially be passed to somebody and then not necessarily cause a big acute symptom picture but instead lay dormant and then at some time point in the future – and that time point, depending on who you talk to, could be anywhere from a few weeks to a few months, up to 10 or 15 years – it might sort of rear its head and start causing symptoms.

The name “Lyme disease” comes from Lyme, Connecticut, where this syndrome or this disease was first “discovered” really by the advocacy and insistence of parents back there who realized in the late ’70s and early ’80s that there were just way too many people and way too many kids who had this illness.  And so by their persistence and demanding and cajoling, they managed to get an investigation of that with the CDC and various rheumatologists, and this was sort of “discovered.”  I’m using that with quotes because there’s a lot of history behind that that actually contributes to the controversy that we see now, but we can get into that in a little bit.

So that’s specifically Lyme disease.  It is one bacteria.  But I think, in a broader sense, in a societal way, it’s used to kind of talk about something quite a bit broader, which is this general illness syndrome, which also can include what we call co-infections, which are other bacteria or parasites that could possibly have been passed along with that tick bite.  And unfortunately, there were many.  Ticks are pretty much laden with a bunch of different pathogens.  So there are those specific infections, which can be tricky to diagnose properly.  And then there’s sort of this more global decrease of function, like, does it contribute to illnesses like chronic fatigue or fibromyalgia.  When you have some of these infections, it can really take your immune system offline in a lot of significant ways.  And there are some pretty severe increases of autoimmune activation that can occur.  And there’s discussion as to whether it’s also contributing to some pretty major illnesses in our society, such as MS or ALS or maybe even Parkinson’s.  There’s a pretty well-known researcher who is highly reputable who has shown that in a fairly high percentage of Alzheimer’s patients you can isolate the Borrelia burgdorferi spirochete from the amyloid plaque lesions in their brains.  So it’s a pretty big web that this thing might be casting, and it gets really difficult to tease out, like you mentioned, what’s real, what’s going on, and what’s the actual scope of this issue.

Chris Kresser:  Yeah.  Just to emphasize this again, there really is no part of this discussion that isn’t controversial, whether you’re talking about the diagnostic procedures, which we can get into in a little bit, whether you’re talking about the symptoms and then the co-infections and diagnosing them and what they’re capable of causing.

Dr. Sunjya Schweig:  Right.

Chris Kresser:  And whether Lyme is increasing in prevalence.  I mean, it’s really just a remarkably polarized issue that gets incredibly heated and almost violent types of disagreement, which is unfortunate because patients or the general public are the people who really suffer from that, who are just trying to get some information and learn about a condition that they feel like they might be affected by.

Let’s maybe talk a little bit about diagnosis, and that will, I think, serve as a doorway into some of this controversy.  What are the tests as a clinician that you rely on to diagnose Lyme disease?  And then how does that differ from, say, the criteria that the CDC lays out for diagnosing Lyme?  And then maybe we can talk a little bit about some of the newer tests that are becoming available and what some of the issues with those are.

Dr. Sunjya Schweig:  Sure.  That sounds good.  I’m actually going to turn that around.  I want to talk first about the mainstream CDC criteria and diagnostic recommendations as a starting point, and then I’ll kind of jump off into some of the ways that’s not ideal and then some of the stuff that we’re using.

Basically, if you go to your regular doctor and you have a documented tick bite, and let’s say you even have the bull’s-eye rash, which is stereotypical, which does not happen in all patients.  It probably only happens in about maybe 30% to 50%.  So if you go in and there’s a suspicion for Lyme and your doctor agrees to test you, the recommended testing is what’s called a two-tiered test, which means that they run what’s called an ELISA antibody test first, and then only if that’s positive does the test reflex over to do what’s called a Western blot test.

If you look at the research literature on this methodology, unfortunately the false negative rate is anywhere from 33% to 75% by that two-tiered testing criteria.  And there are a number of reasons for that.  On the one hand, a certain percentage of people are lucky enough to mount a robust antibody response and then that shows up on the blood test.  A significant amount of people are not.  And it also has been shown that the longer you’re sick with this and the longer it’s been since you were actually exposed, you’re actually less likely to show an antibody response because of the way the bacteria can evade the immune system.  These are what are called stealth pathogens, and they’re actually remarkably well designed to persist and to hide from the immune system.  So after a while, your body kind of gives up and stops making antibodies.  And the corollary of that is actually when you treat somebody and you test them after you’ve been treating them, frequently their tests will turn positive as the immune system sees the bacteria again.

So the two-tiered testing has a pretty high false-negative rate.  And if you do sort of make it through the first gate and you have a positive ELISA and then you do the Western blot, the CDC has set up this criteria wherein certain antibodies that you’re making are considered specific, and certain other ones are not, and they require that you have a certain pattern and a specific number of these different antibodies in order to qualify for a positive test.  And there’s a lot of controversy about which ones they chose and which ones they didn’t.  Back in the ’80s, they had developed a Lyme vaccine, which has been since taken off the market because of some fairly severe side effects that people were developing, but they changed the test once they did that, and they excluded certain bands which would have been positive as a result of the vaccine.

Chris Kresser:  And were highly specific to Lyme, those particular bands.

Dr. Sunjya Schweig:  Right, very specific to Lyme.  And the other problem with the test is that there’s one kit that’s used that has been approved by the FDA and the CDC, and that kit has one strain of the bacteria, and it is the Lyme Connecticut strain.  Worldwide, there are probably 300 different strains of this bacteria, and some really interesting cutting-edge research is coming out of California as we’re seeing what were thought to be only European strains.  We’re seeing them showing up here.  So Borrelia bissettii, Borrelia miyamotoi, and all sorts of other Borrelia bacteria, like Borrelia hermsii, which causes more of a tick-borne relapsing fever picture, which we’re seeing if we know to look for them.  However, that one test kit is not going to pick those up because those antibodies are different.  So there are a number of reasons why the testing is problematic.

Chris Kresser:  Most of which the CDC does not acknowledge.  From their perspective, their testing is accurate.  From what I’ve seen, they don’t really admit to many of these deficiencies.

Dr. Sunjya Schweig:  They don’t admit to it publicly, but there is actually a fairly robust, behind-the-scenes discussion going on.  It’s pretty widely recognized that the testing is inadequate, and I think most scientists agree with that.  But what to do about it is controversial.  The data that’s coming out about these other forms of Borrelia is pretty good, hard science, and they’re not disputing that, and so I think what they’re trying to do is just figure out what to do about it.  Both myself and my wife Lia are fairly deeply involved with Lyme research and Lyme advocacy, and it’s just an actually very, very exciting movement going on in the field right now where we’re seeing a real big upsurge in the last year and a half or so in people who either have funding or have access to funding or have connections in the scientific world, and we’re starting this see this real push towards trying to build a better diagnostic and trying to build better treatment protocols, so it’s definitely an exciting movement, but we’re really playing catch-up, and it’s going to definitely be kind of a trickle-down situation.  The level of disinformation that exists in the mainstream medical community is fairly shocking, and I still get a lot of people who come to me and say:  Well, my doctor said we don’t have Lyme in California so I couldn’t have Lyme.

Chris Kresser:  Right.

Dr. Sunjya Schweig:  If you go the California Department of Public Health, the statistics are super, super clear on the prevalence with the Ixodes pacificus tick being found in 56 out of 58 of California counties and ticks testing positive for Borrelia burgdorferi in 42 out of 58 of the counties.  And when they do tick sweeps, they’re showing actual infection of those ticks at a rate of anywhere from 1% up to sometimes as high at 33% or even 41% in some areas of Mendocino County.

Chris Kresser:  That is truly frightening.

Dr. Sunjya Schweig:  Yes, I agree.

Chris Kresser:  I mean, it’s really a serious issue for people living in those places, and you know this better than I do since you treat people regularly who are suffering from Lyme disease.  Within the Lyme community, it’s something that’s talked about a lot, of course, but outside of the Lyme community, I don’t think very many people are aware that if they go on a walk in a place like Mendocino and they get bitten by a tick that there’s that level of risk that that tick could transmit Lyme disease.

Dr. Sunjya Schweig:  Yeah.  That’s absolutely accurate.  And there’s also some misinformation in terms of what it actually takes for a tick to transmit the bacteria.  The standard information that we get from the Department of Public Health or the CDC is that the tick has to be attached for, they say, usually greater than 48 or 72 hours in order for it to transmit the bacteria.  However, that data was off of some veterinary studies and doesn’t necessarily apply the same way to humans.  I think it’s kind of a bell curve.  I think on average it might take that long, especially if a tick hasn’t fed in a long time and all the bacteria is kind of hiding out in its hind gut, but if a tick has fed more recently or in circumstances we don’t quite understand yet, I’ve seen, for example, a patient of mine who came in.  He had gone kayaking.  He hiked in with his kayak at 9 in the morning, he hiked out at 6 p.m., and in the shower that night he found a tick and he removed it, and he developed a bulls-eye rash and Lyme symptoms.  So that’s a tick attached for about 8 hours.

Chris Kresser:  Wow.

Dr. Sunjya Schweig:  So yeah, there’s a lot of misinformation, but we’re working on that.

Chris Kresser:  So there’s the two-tiered criteria and all the issues with that, and particularly important, I think, is the message that you don’t necessarily need to have a bulls-eye rash and that in really at least 50% and possibly a majority of cases people won’t have that rash.

Dr. Sunjya Schweig:  Right.

Chris Kresser:  So that’s something to be aware of if you get a tick bite.  You don’t necessarily need to have that rash to develop Lyme.

Let’s talk now about some of the other options for diagnosis outside of the two-tiered test and what you’re relying on these days in your practice.

Dr. Sunjya Schweig:  Yeah, sure.  And then one last closing thought on the two-tiered test:  There’s some good legislation that’s coming out, particularly in the East Coast, like Virginia and Massachusetts.  And in Virginia, they’re actually in the process of passing a law – it might have already gone through – but they’re basically saying that every time someone’s tested for Lyme disease that they need to have on that piece of paper that the lab comes back on the piece of information that says that the testing is not perfect and that if you are symptomatic you could possibly have Lyme disease even with a negative test.  So that’s kind of a cool step forward.

Chris Kresser:  Yeah.

Dr. Sunjya Schweig:  But what we’re looking at again is that if there are any antibodies on that test and the person has symptoms that it’s possible that that’s part of what’s going on for them.  So what we do in our practice is I always do my best to see if I can find laboratory evidence of these infections through the most mainstream and well-accepted lab possible so that there’s less of a chance that other doctors could say it’s not real.  So I’ll run the testing through the regular labs, and if something’s showing up and the person’s symptomatic, then we’ll talk about treatment options, and if we feel like we need other testing avenues, there are a number of different directions to go.  There are specialty laboratories, like IGeneX, which I will use; however, I do find myself using it less and less, given that there’s a fair amount of controversy and a lot of doctors, again, like to just say that IGeneX calls everything positive so we’re not going to believe it.  And there’s a test called a CD57 cell count, which is a white blood cell marker.  The CD stands for cluster of differentiation, and it’s basically just a flag on the surface of the cell where we can identify them and sort them.  And there’s been some discussion in the literature about this one subset being low in people who have persistent or chronic Lyme disease, and I’m finding that to be helpful but not totally diagnostic.  I think it can also be low with chronic viral infections.

Chris Kresser:  Right, like HIV and some others, huh?

Dr. Sunjya Schweig:  Yeah, HIV, maybe HHV-6, maybe mycoplasma, so there are a number of possible causes.

Chris Kresser:  And perhaps others that we don’t know about yet.

Dr. Sunjya Schweig:  Right, exactly.  Yeah, so I use it more like:  Does it put someone in this ballpark of this kind of illness cluster?  And the newest test that has been available is a blood culture, which I think we should definitely talk about.  It’s a blood culture for Borrelia species, and what they do basically is draw the patient’s blood sample, send it back to the lab, and they look at the result.  They put it in an incubator, they enrich it with a 12% rabbit serum, which has higher potential for growing the bacteria, and then they put it into a long-term culture for anywhere from 8 to 16 weeks because what has been shown is that the Borrelia bacteria are very, very slow growing, which is part of why the treatments take so long because they are best treated when they’re actively replicating.  On average, they probably replicate once a month, and this is totally different than “normal” bacterial infections.  So the Borrelia culture test has been really helpful.  It’s really new.  We’re still trying to figure out in my practice what are the chances we’re just getting false positives.  Or even more interestingly, what are the chances that many people, if not most people, have been exposed at some point and might have some of these bacteria in their system and yet it’s not either (A) causing them symptoms, it’s not (B) the main driver of their symptoms.

Chris Kresser:  Right.

Dr. Sunjya Schweig:  And so that goes into the whole “old friends” discussion and what can we handle and not handle.  But I think, on the face of it, we really should not have any Borrelia bacteria growing in our bloodstream.  And what we’re kind of looking for at this point with the lab is we’re waiting for independent verification for other universities and other laboratories to be able to repeat their initial studies and results as they are validating the test and to show that there’s no reason for us to be concerned about false positives that there could be some kind of cross contamination or other reasons.  But at this point, it has been a very helpful test for our practice because it has been able to show growth of these bacteria when the antibody tests are not picking it up.

Chris Kresser:  I’m just curious, have you had any situations where antibody tests have been positive and the culture has been negative?

Dr. Sunjya Schweig:  I have, yes.  And what we always have to do is this kind of dance of, well, what are the symptoms?  It becomes kind of an exchange of information between the patient’s picture or the symptom picture that they bring in, the lab testing, the results of the various tests we do, and then if we’re still not sure, what I will generally guide people into is some provocation treatments.  And initially I always prefer to do those with herbs because there are just generally less side effects.  We have these targeted herbs or even targeted formulas against either Lyme or Babesia or Bartonella, etc., some of the co-infections, and we’re looking for any aggravation responses or any flare-up reaction which could indicate that there is a hidden infection.  It’s kind of like working in smoke-and-mirrors land.  You have to really feel your way along.  One of my mentors said that it’s kind of like we’ve just been dropped into the jungle and we have no map and we have no sense of direction, and we get information from each step that we take in the response to that step.

Chris Kresser:  And complicating things further.  I mean, there are some symptoms that are typically a red flag for Lyme, but most of the symptoms of Lyme are nonspecific, which means they could be associated with any number of other things.

Dr. Sunjya Schweig:  Exactly.

Chris Kresser:  And of course, that makes it really difficult for the patients and difficult for their clinicians.  I think the culture test is really promising, and it’s kind of a fascinating microcosm of the macrocosm of controversy that exists around Lyme because the research that’s been done so far has been done by scientists who actually work at the laboratory that does the test and the company that sells the test, and that in itself doesn’t invalidate the research at all, but at least in the scientific community, it raises some eyebrows and it makes us think:  OK, well, this is a promising result and now that they’ve published their methods in a recent paper in a peer-reviewed journal, not a very well-known journal, but their methods are now out there, and like you said, other scientists can try to reproduce those methods and see if they get the same results, and that’s how the scientific method works, and that’s really what we need to do in order to treat this as a reliable test.  But it’s exciting, I’m sure, for you and I’m only peripherally involved in Lyme.  I have patients with Lyme, I don’t specialize in treating it, but the difference with this test, of course, is all of the other tests are sort of indirect.  They’re looking for antibodies in the case of the ELISA and the Western blot, and it’s possible that someone could have been exposed to Lyme before and it’s not a current issue for them, or in the case of the CD57, it’s even less direct because it’s just looking at a marker of immune function, which could be impaired by some things that we do know and other things that we don’t know about.  But with the culture, they’re actually culturing the organism in the blood, so if it turns out to be a reliable test, it seems to me that that would be a game-changer in Lyme diagnosis.

Dr. Sunjya Schweig:  Yeah, we’re very hopeful.  And in the meantime, there are a number of other efforts under way.  There are some researchers at Johns Hopkins.  There are some folks at Stanford and UCSF, and mind you, these are all on the research side, so if you go and talk to the clinical physicians, you’re going to still get the party line, but we’re starting to get these pockets of researchers who are willing to look at this thing.  For example, at Johns Hopkins, they’re building what’s called a biorepository, but right now they’re only using documented EM rash-positive Lyme disease patients.  So they take pictures of the rash, they measure the rash, and there’s no dispute that these people have Lyme.  And then what they’re doing is they’re doing a baseline and then serial blood samples, collecting these folks’ blood and going out in time, and what we’re hoping is that we can kind of develop biomarkers of this illness and the people with acute illness and then people who get better and then people who don’t get better, people who have residual symptoms, and try to figure out what’s different and how we can develop new tests.

Steve Wright:  Sunjya, we’ve talked about some really cool new testing that’s coming up, and we’ve also talked about the older and first forms of the ELISA testing and stuff for Lyme, so for someone who’s listening to this, it’s 2013 right now as we record this, what would you give them as far as what they should be asking or talking with their practitioner to cover all their bases to try to figure out if they did get infected?

Dr. Sunjya Schweig:  That’s a great question, and I would really recommend that if people are sick and they have these nondescript, chronic, fairly debilitating illnesses that, you know, the classic story is that people have gone from doctor to doctor to doctor over a number of years and haven’t been diagnosed with anything wrong other than maybe they should go see a psychiatrist, and in those cases, if they’ve never been tested for Lyme disease and co-infections, whatever they can do to get to a doctor who’s willing to test those would be really important.  And if they can get it through their regular primary care doctor, it’s definitely worth doing the Lyme ELISA and Western blot as well as antibody testing for some of the more common co-infections like Bartonella and Babesia and Ehrlichia as well as viruses like Epstein-Barr and HHV-6.  CD57 cell count, that’s another good one.  Some of these you can get done through your regular doctor if they’re sympathetic and willing to run them, and if not, then pretty much people have to find their way to a Lyme-literate practitioner who has the knowledge of how to interpret these tests and the willingness to order them.

Chris Kresser:  Right.  I just want to jump in and say there are some conditions we talk a lot about DIY, self-treatment options, and there are many that can be safely done, with some caveats, of course, but Lyme is so potentially serious and such a changing landscape and so controversial and there are so many things to consider that if it’s at all possible, I think finding a physician or other healthcare practitioner that is very current and specializes in the diagnosis and treatment of Lyme is a really important first step to take.  Personally, that’s always my recommendation to people, and it’s not something that I would really mess around much with because a lot of general care practitioners aren’t really current with this stuff.

Dr. Sunjya Schweig:  Yeah, they’re not.

Chris Kresser:  They don’t know what tests to run.  They don’t know how to interpret the test even if you tell them what test to run.  It’s not always possible or easy to find a Lyme practitioner, but Sunjya, what resources are out there in terms of online directories, or how would you recommend that people go about doing that?

Dr. Sunjya Schweig:  There are a couple of good organizations that are working to build the science and improve education around this.  One of the first ones is called ILADS, and it stands for the International Lyme and Associated Diseases Society, and they have a directory of physicians.  There’s also in the Bay Area a group called the Bay Area Lyme Foundation, who are newer to the scene but really quite instrumental at this point in improving education, and they would have access to some physician information.  On the East Coast, there’s the Tick-Borne Disease Alliance.  They would also be a helpful group.  There are a number of good organizations who have lists of practitioners who can look at this thing.

Chris Kresser:  We could probably do about 40 podcasts on Lyme disease and still have a lot to talk about, right?  And I know there are some people out there who are maybe hoping for a much more in-depth discussion on certain points.  The idea here was to give a basic overview of the landscape, and in that spirit, since we’ve talked a little bit about the controversy and a little bit about diagnosis, I’d like to at least discuss a little bit of prevention and treatment.  Obviously, we’re not going to be able to go into great detail about treatment, but maybe we could just talk about the range of options, what you’ve found and what you’re focusing on now in your practice, and then the kind of strategies that you use with yourself and your family and what you recommend to patients in terms of prevention in areas where Lyme is endemic, like in our neighborhood, for example.  Right up here in Tilden Park there’s a fairly incidence of… I haven’t seen recent statistics, but I remember reading something that a fairly significant percentage of ticks in the Tilden area carry Lyme.

Dr. Sunjya Schweig:  Yeah, I would say it’s probably in the 7% to 12% range.  And interestingly, and this is a little spooky, but the ticks really vary in size, so in terms of prevention, it can be actually kind of hard to spot them.  And the nymphs, the baby ones, are about the size of a poppy seed, and unfortunately, those are the ones that have the highest rate of carrying the bacteria.  On the West Coast out here, that’s due to the fact that we have the western fence lizard, and as ticks grow from baby to adult, they have spent more time feeding on these western fence lizards, and for some reason there’s a complement protein in the blood of these lizards that actually cleans out the Borrelia burgdorferi bacteria.  So adult ticks that we’re more likely to see have a decreased rate of carrying the bacteria and less risk of passing it.  It’s the little baby, poppy seed-size ones that we are actually fairly unlikely to find on ourselves that have the higher rates of carriage – again, depending on the geographic area – but as high as 30% or maybe even 40%.  And that lizard is actually part of why there’s less Lyme here than there is on the East Coast because they don’t have that lizard.

Chris Kresser:  You often hear of tick repellants, both the conventional types and then maybe we could call them the hippie versions with essential oils and coconut oil and things like that.  Do you have any thoughts about those and their effectiveness?

Dr. Sunjya Schweig:  There’s not a lot of data on them.  I think that anecdotally there might be some sense that they can help.  The pretty hardcore DEET is effective.  It’s just a question of who really wants to put that on themselves or their kids.

Chris Kresser:  Right.

Dr. Sunjya Schweig:  I still love hiking.  It’s important to be out in nature, and the thing that we try to do now is wear long pants, tuck your pants into your socks, and try not to sit under the oak trees in the leaf litter, the high area where ticks tend to hang out.  And when you get home, you take your clothes off, you put your clothes in the dryer for 30 minutes, and you take a shower.  And that’s probably one of the best ways to prevent tick attachment.  And be aware of the fact that the ticks tend to crawl up onto the grass blades and hang out along the edges of paths, so wider paths are definitely better.  The smaller, single-track paths will have a higher risk of ticks hitching a ride on you.

Chris Kresser:  How about time of year?

Dr. Sunjya Schweig:  Yeah, absolutely.  It’s possible that you could be exposed and bitten by a tick carrying Lyme disease any time of the year, particularly out here in California.  It takes a pretty long and deep freeze for them to go into hibernation.  Now, that being said, there’s definitely a higher risk in the early spring through early summer months, and that sort of plateaus by the middle of summer and starts to taper through the fall.  So it’s a higher risk during those months, but it is possible any time of year.

Chris Kresser:  OK, so treatment.  There obviously are a number of options here, and of course, the controversy doesn’t stop here either.  We have everything from high-dose, multiple oral antibiotics to intravenous antibiotics to things like the Buhner protocol and various herbal treatments to Rife to any number of things.  So given that we can’t discuss all of them, maybe we should just focus on the ones that you are using most in your practice now and you think are the most effective and promising.

Dr. Sunjya Schweig:  Yeah.  I divide the field into a couple of major compartments, and on one side there’s most of mainstream medicine that does not think that these chronic infections exist, and on the other side are practitioners like myself, which fortunately there are more and more of these days.  There are more folks being trained and there’s more awareness, so it’s slowly growing.  There’s this group of people who do think that this thing exists and that we have to try to find it and understand whether or not people are sick with this, and then if they are, we have to find a way to treat it.  And within that group, which is the most interesting group to me, there’s a wide range of thoughts on how to do it.  On the more extreme end, there are the practitioners who think that you have to treat with three to four, sometimes five different antibiotics at a time, and there are science-based reasons why some folks believe this, which is that the bacteria can exist in different compartments and it can kind of respond to the pressure of the antibiotic treatment and go from being in the bloodstream to hiding inside of the cells or kind of hunkered down into a cyst form and that no one antibiotic covers all of those forms, and so you have to use multiple antibiotics and try to catch it as it shifts from one form to the other.  And then there are the folks on the other end of the treatment spectrum who think that antibiotics don’t really work, that we should be doing infrared sauna, salt and vitamin C protocols, Rife machine, energetic medicine, etc.  And I’m somewhere in the middle.  I use a lot of antibiotics.  I try to use them judiciously, but I’ve done them enough now that I have seen a significant group of people who really, really are helped by it and who get better and stay better.  And at the same time, there’s a group of people who either can’t tolerate them or who just seem to be getting sicker when we’re doing those kinds of treatments and, to me, it feels like there’s something else going on.

Chris Kresser:  Sunjya, when you say “antibiotics,” are you referring to oral or intravenous or both?

Dr. Sunjya Schweig:  Mostly I’m using Western medicine antibiotics – because there are also herbal antibiotics, but when I’m using Western medicine antibiotics, I’m usually using oral.  I also actually found that intramuscular shots, like something like Bicillin is actually really helpful because it bypasses the gut.  And in some cases, I will use IV, although it brings up a new set of risks.

Chris Kresser:  Right.

Dr. Sunjya Schweig:  And to be honest with you, getting into this world has always been a little bit a struggle because I came at it from a really integrative, complementary, alternative medicine point of view, which is that I wanted to get away from antibiotics.  I wanted to really do my best to respect the gut and the gut immune system and the gut ecology and the microbiome, so I frequently find myself kind of caught where I see these treatments helping, but on the other hand, I’m always concerned and aware of the risks to the human organism as a whole.  So I will also be rotating in a variety of different herbal protocols, whether it’s some of the Stephen Buhner herbs – He has a couple of really good books out, very, very well-researched scientific works on the actions of some of these herbal antibiotics.  I’ll also use a lot of Byron White Formulas, some really great herbal protocols and products, as well as there’s a woman named Susan McCamish who has a group of products that are really helpful.

And the thing that I think I would also recommend to folks is that if they find themselves in this world that it really helps to work with a functional medicine or integrative medicine doctor because it’s so complicated and some of the symptoms that people experience are due to direct infections, but a big group of the symptoms are just due to various body systems kind of going offline as a result of the infections, and so hormone balancing, adrenal balancing, healing and testing the gut, organic acids, all these aspects from dietary manipulation, gluten-free, dairy-free, grain-free, paleo, Body Ecology – These are things that I discuss with people on a daily basis, trying to balance some of the more aggressive treatments that we’re doing.  Chris and I, we’ve had some discussions about this in the last few weeks, but things as basic as stress management and optimizing exercise and sleep patterns and doing qigong or acupuncture or biofeedback – It kind of gets to the point where in order to get through this, you have to really dial in every aspect of your life and get everything kind of playing together like a symphony.

Chris Kresser:  Yeah.  I treat a lot of patients with chronic illness.  Some have Lyme, but most don’t, but even that is, as you know, Sunjya, the real trick, in that kind of treatment is figuring out what to focus on, how to prioritize, what to prioritize, and how to get all the systems of the body communicating well with each other and working in harmony.  That’s not always an easy process, and I imagine, and in the few patients I have with Lyme, it can get extremely convoluted because it’s never easy to tell what’s directly being caused by the infectious process and what’s being caused by an immune reaction that is sort of secondary to that infection, and it can get really messy, so I completely agree.  Finding someone who’s well versed in functional medicine and, in particular, who has experience dealing with these really complex conditions is important.  And I know that that is easier said than done.  Some people live in areas where there aren’t practitioners like this nearby, or if there are, they have a long wait list or what have you, but it definitely pays off to do a little bit of research and try to find someone that’s compatible, even if you have to travel a little bit to see that person initially.

Let’s close by talking a little bit about resources.  You mentioned ILADS and some of the other websites before where people could find a practitioner.  There are lots of books out there on Lyme.  One of my favorites that I read in the past few years is Cure Unknown by Pamela Weintraub.  I’m curious to know what books you have found to be helpful for your patients.

Dr. Sunjya Schweig:  Yeah, sure.  Cure Unknown is definitely very high on my list, and Pamela Weintraub… I’m not sure if she still is, but she was a science journalist for Discover Magazine, and that book is just impeccably researched and has a really, really strong notes and bibliography section.

Chris Kresser:  Yeah, a very well-written and fascinating read, too.

Dr. Sunjya Schweig:  Yeah, it’s a super interesting, fast, engaging read.  Another book I like a lot is a book called The Lyme Disease Solution by a doctor named Kenneth Singleton.  He has a really nice compilation of just explaining the illness, the co-infections, all the symptoms associated with each, and he has some good sections on supplements and on diet – he calls it the Lyme Inflammation Diet – as well as stress management, so that’s a good read.  That’s kind of a handbook on sort of how to do this.  There’s a doctor back East whose name is Richard Horowitz, and I’m anxiously awaiting his book.  He’s coming out with a book pretty shortly, and he’s a really, really, really smart guy who’s been doing this for probably 20 years or so, so that would be a really good one.

There’s a movie called Under Our Skin, which is pretty well done.  It’s fairly dramatic.  It’s a documentary, so it has some pretty severe cases in it, but I think it’s a good representation of the controversy and the science.  There’s also a short, 30-minute film that you can find online by the LymeLight Foundation about a professional skier back East and her journey with Lyme.  It’s a little lighter and easier, more accessible.  With the Under Our Skin movie, I generally don’t like my patients to see it until they’re a lot better just because I don’t like people having scary, negative images.

Chris Kresser:  Yeah, the nocebo effect.

Dr. Sunjya Schweig:  Right.

Chris Kresser:  So, Sunjya, how can people who are here in the Bay Area and California who perhaps those who might be willing to travel to see you find out more about your practice?

Dr. Sunjya Schweig:  I have a website.  It’s www.DrSchweig.com.  And I’m currently practicing up in Sonoma County, and I’m probably going to move part of that practice down to the East Bay, so stay tuned for information on a possible new office.  And then you can also get in touch with Chris.  He’ll have my information is people want to find me.

Chris Kresser:  Great.  Well, thank you so much, Sunjya, for coming back on the show.  I have a strong suspicion that we’re going to get some requests for a repeat visit because we just kind of scratched the surface of this topic, and it’s a big one on a lot of people’s minds, so hopefully we can get you back to do another show in the future.

Dr. Sunjya Schweig:  Yeah, it would be my pleasure.  It would be fun to do a show on the gut and the whole microbiome when related to these illnesses.  I think that would be an interesting conversation.

Chris Kresser:  Oh, yeah, that’s right up our alley, for sure!  And maybe a little more on the discussion of “old friends” and how it might relate to Lyme, because as you and I have talked about, I think that’s a really fascinating potential avenue of exploration and something that’s been on my mind and that I’m speaking about at the Ancestral Health Symposium this year, provided I can finish my book in time and prepare the presentation.  That’s another story!  So thanks again, Sunjya, for coming on, and hopefully we’ll have you back on soon.

Dr. Sunjya Schweig:  Yeah, you’re welcome.  Thank you very much.  I appreciate it.

Steve Wright:  Yeah, I kind of hear a series beginning here.  That was pretty awesome, Sunjya.

Dr. Sunjya Schweig:  OK, yeah, thank you.

Steve Wright:  Thanks, everyone, for listening to this podcast.  In between our Q&A episodes, we like to bring on great experts like you heard today, but we will be doing more Q&A episodes in the future, so if you’d like to submit your questions, please go over to ChrisKresser.com and use the podcast submission link.  And if you loved this podcast, if you want to hear more from Sunjya and more from Chris, please go over to iTunes and leave us a review.  Let us know in the comments section below in this post what you thought and what you’d like to hear on further shows.  Thanks for listening.

Note: I earn a small commission if you use the links in this article to purchase the products I mentioned. I only recommend products I would use myself or that I use with patients in my practice. Your purchase helps support this site and my ongoing research.

Tagged as: Lyme Disease

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Spicy Vegetable Soup

by Hugh
(Fairfax, CA)

This is a great soup for the warm days of summer as it satisfies, but does not make you feel heavy. It’s another recipe that takes very little time to prepare and clean-up after. Put everything into the blender and run until smooth (about 19 seconds in my blendtec). I crumbled a few raw crackers on top of the soup and it was a really satisfying meal.

4 stalks celery

3 - 4 large heirloom tomatoes

4 - 5 Persian cucumbers

4 - 5 sweet peppers

½ a lemon

Large double handful of sunflower sprouts

2 tablespoons chia seeds

½ teaspoon kelp powder

¼ teaspoon cayenne pepper

You can easily substitute avocado for chia seeds and different types of peppers or cucumbers depending on their availability in your area. This recipe makes 2 large bowls of soup


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Wednesday, July 3, 2013

Tastes Like Watermelon Juice

by Tanya Martin
(Torrance California)

Watermelon Juice Recipe

2 Oranges

1 Zucchini

1 Apple

1 Pear

1 Cucumber

This blend came out tasting like watermelon, we were amazed. Makes around 24 ounces of juice. Enjoy!

See photo or order Faces of Juicing recipe book at http://facesofjuicing.com/


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Tuesday, July 2, 2013

The Truth About Organic Foods from China

by Dr. Josh Axe on July 1, 2013

There are articles all over the Internet right now about “fake organic” food from China. Wanting to keep you informed, I read through many of them. The problem was, they all seemed to quote other sources and reading on, I found that these sources quoted other sources and so on. There didn’t seem to be any credible first-hand sources for this information. Was this all just rumor run rampant, as Whole Foods claims?

Whole Foods has been accused of selling these “fake organic” foods from China but they claim that “any product sold as organic in the US, regardless of where it’s grown, must be certified to the USDA’s National Organic Program standard by a USDA-accredited certifier.”

Well, I wanted to know more about this USDA certification of imported organics. It took quite a bit of digging but what I eventually found was more disturbing than any of those copycat articles.

I found frightening information about all food from China, frightening lack of regulation concerning organic food from China, and, worst of all, shocking information about our National Organic Program (NOP).

Before I go on, I want to reassure you about your options. You don’t have to break the bank buying all of your foods organic. Read which foods are commonly pesticide-ridden and those that usually aren’t in How to Buy Organic. I’ll tell you about the “beyond organic” movement that has arisen in response to NOP problems. Check out this source here to learn more, What is Beyond Organic?

First of all, I was surprised to learn how much food the US imports from China: China is the third-largest source of food imports according to a 2009 report by the Economic Research Service (ERS). For example, 60 percent of our apple juice and over half of the garlic we use in the US is from China. The ERS claims that food safety is a critical issue with Chinese imports but that “there are no simple solutions to addressing the safety hazards since they appear to occur in many different types of foods at all links in the supply chain.”

Reading through the USDA article “Imports From China and Food Safety Issues” is alarming. The FDA regularly refuses shipments from China because of filth, unsafe additives, veterinary drug residues and mislabeling. Filth violations and unsafe additives are the most common violations in Chinese imports and reading what constitutes “filth” is only recommended to those with strong stomachs.

What this report did make evident is that pollution in China is so prevalent that even more stringent regulation is unlikely to make great improvements in food quality there. The ERS reports that banned agricultural chemicals are still used and even when they’re not–they still exist in the soil and water. Many farms are in industrial regions where air, water and soil pollution is concentrated, especially in terms of cadmium and lead levels. Animal and human waste spoil the water, many workers don’t have hygiene awareness and fraudulent record-keeping is common.

More information about pollution in China can be found in the Stanford Journal of Internation Law ”Is ‘USDA Organic’ a Seal of Deceit?” by Chenglin Liu (print).

Is “USDA Organic” a Seal of Deceit? covers the pitfalls of USDA Certified Organics Produced in the United States, China and Beyond. This article was originally published in the summer 2011 issue of Stanford Journal of International Law and is available for a fee on many scholarly studies websites. To avoid subscription prices, you can read this article via your local or statewide library. Based upon court cases and the evidence presented in them, this white paper was my most disturbing find.

In terms of pollution, author and law professor Chenglin Liu reports that only five percent of household sewage and 17 percent of industrial sewage in China is properly treated.  A Chinese government study found that 90 percent of Chinese groundwater is polluted. China is the world’s biggest user of chemical fertilizers and one of the largest producers and users of pesticides. Worse of all, Chinese farmers traditionally did use organic methods. When farmlands were socialized in the 1960's, they were forced to use new farming techniques, fertilizers and pesticides by the Chinese government. After decades of such heavy use of agricultural chemicals, soil quality has decreased to the point that USDA economist Fred Gales claims that it is “almost impossible to grow truly organic food in China.”

I also took a look at the 2010 USDA Foreign Agriculture Report, an organic report on China. The authors of this report surmise that because of increasing demand within China and worldwide, within 10 years, China may “become the fourth largest organic market in the world.” They report that food safety issues in China make organics a profitable market. Consumers are willing to pay 300 percent more for organic asparagus, 10 times more for organic beef, and generally, five to 10 times more for all organic vegetables. This kind of profit drives unscrupulous practices.

Organic certification in China is wildly diversified. The Chinese Organic Food Certification Center (COFCC) is supposedly in charge but only certifies about 30 percent of organic products. The rest are certified through third parties, private firms, individual inspectors and international firms. As of 2010, the authors report that there is no agreement between China and the US as what constitutes organic. They also report that organic standards are poorly enforced in China, that no clear authority exists, that mislabeling is common and that many producers use expired organic labels. Some organic companies don’t even produce their own food but subcontract to others. Some companies label their goods as organic when only a tiny portion of their produce is grown organically.

Professor Liu reports that there are three ways that imported foods can be sold as organic in the US. 1) Foods can be certified by a USDA-accredited certifying agent, either US-based or foreign-based; 2) foods may be stamped with the USDA seal if the US has a recognition agreement with that country, an agreement that the country’s own certifying agents can use this seal because they follow US organic regulations; 3) equivalency agreements exist through which the US and other countries agree that their organic standards are equivalent.

We don’t have an equivalency agreement or a recognition agreement with China so technically, Whole Foods is right: organic food from China must be certified by a USDA-accredited certifier. But here’s the rub. There aren’t enough US certifiers to go around, only about 94 exist. The USDA certifies agents in China to certify farms and other producers. In 2007, an audit of two farms and four certifiers in China found many issues of noncompliance. For example, the certifiers had little experience with organic certification stipulations, often didn’t even understand them, and in once case, a German-based certifying company in China didn’t even provide the NOP organic standards to applying agents.

Also in 2007, the USDA realized that the Organic Crop Improvement Association (OCIA) had been using employees from the Chinese Ministry of Environmental Protection. It would be in their best interest to push organic certification no matter what actual practices were taking place. The OCIA certifies 1800 organic operations in 11 countries, 233 in China. It took three years for the USDA to take action and suspend OCIA for one year, and they didn’t tell the American public until 2010.

Professor Liu finds Whole Food’s rebuttal ridiculous because it claims equivalency in organic standards and certification whether the food is from US or beyond. Liu points out that in one instance, the USDA granted conditional accreditations to certifiers based only on paperwork and didn’t check to see that they complied with conditions set forth for seven years.  NOP regulations only stipulate a once-yearly check on farms and Liu reports that China’s government agencies can’t even enforce their own laws, never mind that of the US.

Why did China keep having problems with tainted milk and products made with this milk? Because local governments cover up such scandals as a matter of course. These local governments are closely tied to food manufacturers and it is in their best interest economically to boost manufacturing any way they can. The court system also has ties with food manufacturers reports Liu, and the news media is controlled by the Chinese government. Bribes for licenses are common and ethics aren’t very strong in the food industry in China. The use of additives to enhance look and taste, for instance, rule over health concerns.

Farmers in China don’t voluntarily choose to grow organic: they’re ordered to. Village leaders are in charge of farm cooperatives and are the gatekeepers for USDA certifying agents. An agent might be shown a sampling of organic farming rather than all the practices within the cooperative and many farmers reported that that didn’t know what organic meant or what they were supposed to do. Local officials commonly disrupt, delay or circumvent certifier’s tours of these farms.

Fraudulent labeling is very common in Chinese food manufacturing and because so many departments and agencies are involved in this chain, there are plenty of ways to duck under the radar. For two years, Jiahe products were carried on Carrefour, Wal-Mart and other grocery chain shelves even though they weren’t verified to be free of pesticides.

In terms of corruption, Argentina, Ecuador, Guatemala, Honduras, Mexico, the Philippines and Thailand all rank worse than China. Yet these countries are the top ten suppliers of fruits and vegetables to the US reports Liu.  Growing demand for organic food drives imports. Liu reports that 40 percent of the organic food consumed in the US is imported from over 100 other countries.

Then there’s the National Organic Program. The US certainly isn’t immune to corruption. The NOP was instituted because small farmers thought regulation would protect them. Instead, as the organic industry has been co-opted by mega-corporations, loopholes in organic standards and regulations become cavernous.

Those small farms? They’ve been gobbled up by big business and organic practices become industrial organic practices. Kellogg now owns Bear Naked and Kashi, Heinz and Hein own 19 organic brands. Coca-Cola, Con-Agra, General Mills, Kraft, and Mars M&M own most of the market. Michael Pollan reports that “five giant farms control fully one-half of the $400 million organic produce market in California.” To see who owns your favorite organic brand, check out this info graphic,  Organic Sells Out to Mega Corporations.

The truth is, there is no perfect standard.  But in general, organic foods are typically of higher quality than conventional.  Even then, I would recommend not buying foods from China whether it’s organic or not.  Support companies who are willing to show you there production methods and be completely transparent like Beyond Organic.  I also recommend shopping at your local farmers market and asking them how they produce their foods.  Buying local or from a single owned organic company is your safest bet when buying any foods including organic.

Chinese imports are a common part of US food supply.Environmental pollution in China makes any food grown there hazardous or nutrient-deplete.Organic regulation of Chinese foods is a joke.Corruption is common in many of the countries that contribute to US food sources, organic and otherwise.Organic regulation in the US has been severely compromised by corporate interests.It’s better to know the person that provides your food than rely on organic certifications. Sources

Peoples Republic of China: Organics Report, October 26, 2010

“Is “USDA Organic” a Seal of deceit? The Pitfalls of USDA Certified Organics Produced in the United States, China and Beyond.

USDA.gov – Imports From China and Food Safety Issues

The Organic Watergate—White Paper: Connecting the Dots: Corporate Influence at the USDA’s National Organic Program

www.nytimes.com Michael Pollan: Behind the Organic-Industrial Complex

Disclosure of Material Connection: Some of the links in the post above may be “affiliate links.” This means if you click on the link and purchase the item, I will receive an affiliate commission. Regardless, I only recommend products or services I use personally and believe will add value to my readers. I am disclosing this in accordance with the Federal Trade Commission’s 16 CFR, Part 255: “Guides Concerning the Use of Endorsements and Testimonials in Advertising.”


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Monday, July 1, 2013

Review: Beyond Bacon

Beyond BaconAs Joel Salatin eloquently stated in the foreword to Beyond Bacon by Matthew McCarry and Stacy Toth, “a pig is more than bacon.” While bacon is typically considered to be the gateway meat that is able to convert even the staunchest vegetarian into an omnivore, there is so much more nutrition and culinary delight to be gained from the rest of the animal.

I believe pork is underrated in the Paleo world, with most consuming bacon as a garnish or side dish without a second thought to the rest of the animal. This is why I was excited to receive my copy of Beyond Bacon – I love cooking with pastured pork, lard, ribs, jowls, and even the trotters.

Beyond Bacon: A delicious ode to pork that respects the whole hog.Tweet This

Beyond Bacon is not only a beautifully designed cookbook with loads of delicious recipes such as Asian Short Ribs, Apple and Bacon Stuffed Pork Chops, and even desserts like Yellow Lard Cake and Apple Fritters, but it also contains an incredibly informative foreword explaining how to find affordable pastured pork, the history of pig cultivation, the nutritional science of pork, and the best tools to use in the kitchen when cooking with the whole hog. You’ll even learn how to create your own pork stock and render your own lard.

McCarry and Toth also share their family’s story, which was first described on their website, Paleo Parents. They explain how eating a Paleo lifestyle has helped their family lose weight, gain energy, and eliminate countless health problems that were significantly reducing their overall quality of life for many years. Further, they share the overall goal of Beyond Bacon: to remove readers’ fear of organ meats, bone broth, and healthy fats, and to provide delicious ways of incorporating nourishing pastured pork products into the diet. They even explain how followers of the Paleo, Primal, and Weston A. Price-approved diets can rest assured that eating pork will not negatively affect their health, and can even improve it.

The photography is stunning, and showcases the local farms that McCarry and Toth source their pastured pork products from. They explain the importance of finding a reputable source of pastured pork, describing the environmental,  health, and even flavor benefits of choosing properly-raised hogs over their CAFO counterparts. Not to mention, it’s easy to see how happy these pigs are when flipping through this book – there are even photos where you’d swear the pig was smiling! While some may take this as an excuse not to eat pork, I see these images as confirming my dedication to finding properly-raised animals for moral, environmental, and personal health reasons.

For more information and even some recipe samples from Beyond Bacon, you can check out Stacy and Matt’s blog here, where they reveal a few of their recipes and special features, and share other reviews of the cookbook. If you’re ready to buy the book, you can click here to order it from Amazon. You won’t be disappointed in this remarkable addition to your Paleo bookshelf, and you just might discover a newfound love for headcheese, chitterlings, and organ-rich scrapple! This truly is a cookbook that respects the whole hog.

Tagged as: bacon, beyond bacon, cookbook, cooking, cuisine, health, lard, nutrition, paleo, pork, primal, weston price

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Sunday, June 30, 2013

RSS Subscribers: Don’t Miss Out!

google-RIPGoogle Reader (the most popular RSS service) is going out of service tomorrow (July 1st). If you use Google Reader and RSS to follow this blog, you’ll need to find an alternate way of staying tuned in. You have a few options:

Subscribe via email. I typically send out 1–3 emails a week with summaries and links to the most recent articles on the blog. Just below this article you’ll see a picture of me next to a box with the headline “Like what you see?”. Enter your email address in that box to subscribe.Choose an alternate RSS reader. See this post for suggestions. I prefer Feedly myself, and they provide detailed migration instructions for Google Reader users here.

See you on the other side!

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Saturday, June 29, 2013

The Acid-Alkaline Myth: Part 2

162749707In Part 1 of this series, I talked about why the basic premise of the acid-alkaline theory is flawed, and I showed that the evidence doesn’t support the idea that a net acid-forming diet is harmful to bone health. Now I want to look at the effect of dietary acid load on other health conditions.

Can the acidity or alkalinity of your diet affect your risk for muscle loss, cancer, and more? Tweet This

There is some research claiming that acid-forming diets cause muscle wasting, and the proposed mechanism is similar to that of the acid-ash hypothesis of osteoporosis. Some researchers hypothesize that in order to eliminate excess acid and maintain homeostasis, the kidneys must steal amino acids from muscle tissue. (1, 2) Just as a higher acid load increases calcium in the urine, it also increases nitrogen in the urine, leading some to believe that an acid-forming diet causes net nitrogen loss. However, some of these studies neglect to measure nitrogen balance, so this is not necessarily true. (3, 4) In fact, one study showed that a higher acid diet improved nitrogen balance! (5) This theory also does not acknowledge that protein, although it’s acid forming, actually increases the body’s ability to excrete acid. (6) Finally, the one observational study concluding that alkaline diets improve lean muscle mass didn’t even measure the overall acid load of the diet. (7) Instead, they used potassium intake as an approximate measure, and just assumed that the observed improvement in muscle mass was due to the diet being more alkaline. This, in addition to the limitations that always accompany observational data, makes the evidence less than convincing, especially since the clinical trials have conflicting results.

One of the more popular claims of the alkaline diet is that it can cure cancer. Proponents say that because cancer can only grow in an acidic environment, a net-alkaline diet can prevent cancer cells from growing, and can eliminate existing cancer cells. This theory is incorrect for a few reasons. First of all, the hypothesis depends on the ability of food to substantially change the pH of the blood and extracellular fluid, which I’ve already shown is not the case. (8, 9, 10) Second, cancer is perfectly capable of growing in an alkaline environment. The pH of normal body tissue is 7.4, which is slightly alkaline, and in almost every experiment done with cancer cells, they are grown in an environment at that pH. (11)

Now, cancer cells do tend to grow better in an acidic environment, but the causality is reversed. Once a tumor develops, it creates its own acidic environment through up-regulated glycolysis and reduced circulation, so the pH of the patient’s blood no longer determines the pH of the cancer. (12) It’s not the acidic environment that causes the cancer; it’s the cancer that causes the acidic environment. To top it all off, the only comprehensive review on ‘diet-induced’ acidosis and cancer did not even acknowledge this as a valid mechanism by which an acid-forming diet could increase cancer risk. They discuss a few biological pathways that could potentially link dietary acid load and cancer, but they admit that it’s mostly speculation and there’s no direct link. (13)

There are a few observational studies attempting to link acid-forming diets with hypertension, but the results are mixed. (14, 15) There’s also limited observational data associating higher acid loads with things like high cholesterol, obesity, and insulin resistance, but there are no proposed mechanisms or clinical studies to validate the hypotheses. (16, 17)

There are a few review papers examining the effect of acid-forming diets and health, but as you’ve seen above, the evidence they have to review is sparse. (18, 19, 20, 21, 22) If you read these papers, you’ll notice that whenever they cite trials showing the deleterious effects of acidosis, those trials were done on patients with chronic kidney disease or diabetes-induced acidosis. In the studies done on healthy people, they’re given ammonium chloride to induce acidosis. What you won’t see are clinical trials showing health consequences from purely ‘diet-induced’ acidosis. (Perhaps because ‘diet-induced’ acidosis doesn’t exist!) You’ll also notice that the strongest two hypotheses deal with osteoporosis and muscle wasting, and that links with other diseases are speculative or based on observational data. And although conflicts of interest don’t necessarily mean their conclusion can’t be trusted, it’s interesting to note that one of these reviews was funded by “pH Sciences®,” which “develops and manufactures patent-protected ingredients that safely and effectively manage biological pH levels.” (23)

In sum, I am not convinced that an acid-forming diet has negative effects on healthy people, based on the science. But just to be sure, it’s always a good idea to observe healthy cultures to see if there’s any anthropological evidence to support or refute the hypothesis.

There are a few studies where researchers attempted to approximate the net acid load of Paleolithic diets. One estimated that 87% of pre-agricultural people ate net-alkaline diets, and proposed this discrepancy with our modern diets as a possible reason for our declining health. (24) However, a more recent study estimated that only half of the world’s hunter-gatherer societies eat net-alkaline diets, while the other half are net acid-forming. (25) They reason that the other estimate is likely accurate for our earlier ancestors, because their tropical habitat would’ve provided ample fruits and vegetables. This idea is confirmed by another analysis that showed increasing acid load with increasing latitude. (26) Even without the study, it stands to reason that as humans moved into less hospitable environments, the animal content (and acid load) of their diet increased.

Given the subpar clinical science on this topic, I think the evolutionary argument is far more convincing. If half of the world’s hunter-gatherer populations avoid the ‘diseases of civilization’ on an acid-forming diet, it would seem that acid load has little to no bearing on overall health. For some case studies, we can always look to Weston Price’s work to see quite clearly that acid-forming diets are not detrimental to health. Based on Price’s descriptions, many of the traditional diets he studied would have been primarily acid-forming, including the Swiss, the Masai, and the Inuit. Yet despite their high intake of animal foods or grains and their comparatively low intake of fruits and vegetables, they maintained excellent health.

I don’t deny that many people have seen significant health improvements when switching to an alkaline diet, but there are many possible reasons for this not having to do with pH balance. Eating more fresh produce is rarely a bad idea, especially when it displaces nutrient poor processed foods. A person switching to an alkaline diet would significantly reduce their consumption of grains, which could cause dramatic health improvements for somebody with a leaky gut or gluten sensitivity. Dairy would also be minimized, which would help those with dairy sensitivities. And although pure sugar isn’t an acid-forming nutrient, many laypeople claim that it is, so alkaline diets tend to contain far less sugar than a standard Western diet.

Between the scientific evidence (or lack thereof) and the anthropological research, I think we can be confident that the acid load of our diets doesn’t negatively impact healthy people. For those with renal failure or similar conditions that affect kidney function, it’s a different story—there’s certainly room for manipulation of urine pH in the treatment of those conditions. But for someone with functioning kidneys, there should be no concern that an acid-forming diet will harm health.

Now I’d like to hear from you: what are your opinions on the acid-alkaline diet theory? Have you ever tried eating an alkaline diet, and if so, did you experience health benefits? Share your thoughts in the comments below.

Tagged as: acid, alkaline, ammonia, Cancer, health, loss, muscle, paleo, pH, urine, wasting

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