From Green Tea To Psilocybin: The Routines, Diet, Lifestyle, Supplements & Sage Advice From One Of

My sense is that if you're completely relaxed and your mind is out of the way, there can be very precise muscle movement that can respond with exactly the counterforce needed to neutralize the force. The greater the potential of a treatment to cause harm, the stricter the standards of evidence it should be held to for efficacy. I probably always will get continue to get flak, but if I didn't, I don't think I'd be doing my job.

I have a Master's degree in physiology.

Biomechanics and Human Nutrition.

I've spent the past two decades competing in some of the most masochistic events on the planet. From seal fit, Kokoro, Spartan Agoji, and the world's toughest mudder to 13 Ironman.

Triathlons, brutal bow hunts, adventure races, spearfishing, plant foraging, free diving, bodybuilding and beyond. I combine this intense time in the.

Trenches with a blend of ancestral wisdom and modern science. Search the globe for the world's top experts in performance, fat loss recovery, hormones, brain beauty and brawn to deliver deliver you this podcast Everything you need to know to live an adventurous, joyful and fulfilling life. My name is Ben Greenfield. Enjoy the ride.

Well, I managed to get the bearded Santa Claus of medicine himself on the show. Dr. Andrew Weil, you'll enjoy this episode. This episode is brought to you by my company, Kion. I founded Kion as a way to take all of the knowledge and the content and the molecules that are just absolutely amazing that I have blended together to create some of the most fantastic supplements in existence for immunity, for fat loss, for recovery.

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Hey folks, my guest on today's podcast, Dr. Andrew Weil, is very well known as a leader and a pioneer in the field of integrative medicine. He has a Harvard education and you've probably heard of him or come across his writings or his interviews in other places because he has been around the integrative medicine scene for quite some time. He has a lifetime of practicing natural and preventive medicine. He's the founder and the director of the Andrew Weil center for Integrative Medicine at the University of Arizona, where he also serves as a clinical professor of medicine and a professor of public health. He has written 15 books on healthy living. I will put many of them in the show notes for you if you'd like to explore his work on everything from healthy food to psychedelics. And all of the show notes for today's show will be at BenGreenfieldFitness.com wild and it's W E I L BenGreenfieldFitness.com Weil and Dr. Weil also serves as the director of DrWeil.com, which is a very handy online resource for healthy living. Wonderful articles, fantastic newsletter. He also has a great column in Prevention magazine. And he is up to quite a bit when it comes to making this world a better place through both integrative medicine as well as his other teachings. So, Dr. Weil, welcome to the show, man.

Thank you, Ben. And thanks for that great introduction.

Yeah, yeah, my pleasure. Well, with as much experience as you have in this whole world of natural medicine and healthy living, I am very curious what your kind of morning routine looks like. I mean, we're recording this at about 10am my time. Where are you at in the world, by the way?

I am on Cortez Island, British Columbia, on the same time zone as you.

All right. So what'd your morning look like today, Dan? I'm curious.

Okay. I got up at about 4:15. I usually get up at somewhere between 4 and 4:30, usually when the sky is just beginning to get light. I did some sitting meditation in my bedroom, then I came downstairs.

And now I may interrupt you a few times as you go through this for you. A sitting meditation. What does that look like exactly? Aside from sitting, of course.

Yeah. I start by doing some simple breathing exercises, including my 4, 7, 8 breath, which is the most powerful relaxation method I've ever discovered. I'll tell you about that later. And after a period of doing that, I think this morning I sat for about 15 minutes. Then I came downstairs and.

I have two Rhodesian Ridgebacks, male, female, Ajax and Juno, who are just great companions. And I took them out and fed them. Then I made myself some breakfast. I had some.

Let me see what I had. I had some tempeh that I sauteed and ate with some lettuce and sort of lettuce wrap.

Now, some people may not know what tempeh is.

Tempeh is a staple food of Indonesia. It's a Fermented soybean product. It's a very solid meat like texture. It's much more digestible than other soy products. Because it's a fermented food. You can do all sorts of things with it. So it's a good.

Meat alternative.

Okay, got it. And is that because you don't eat meat or is that just a preferred breakfast for you?

I'm a pescatarian. I eat fish and vegetables, so I don't eat meat or poultry. I eat a few dairy products, mostly good quality cheese and some yogurt, but otherwise fish and vegetables. Okay, got it. So I ate that and then I took my dogs, then took me for a long walk. I live at the edge of a fantastic forest, so every morning we take long walks through the forest, fairly brisk. Came back to the house and I made myself some matcha green tea, which I would be happy to talk to you about. That's my preferred morning beverage, my preferred go to beverage. And then I came upstairs and checked in my office. I checked email and phone messages. And then I have a wonderful garden here. So I went out and looked through the garden to see what needed doing. I saw that I had a lot of peas to pick and strawberries to pick. So I planned doing that and got some stuff ready to do that. And then I got set up to talk to you.

Beautiful peas, strawberries and matcha. Sounds like a good morning. I actually until recently had a Rhodesian ridgeback.

Really?

He passed away actually about eight months ago. But yes, Blitzen. And they're wonderful dogs. Apparently they can hunt lions, but we.

Never got that far.

Yeah.

How old was.

He was not that old. He was about seven and a half.

And what did he die from?

He had a tumor. It was like a neck tumor that spread to his lungs and he wound up kind of asphyxiating after we tried for a long time to kind of nurse him along.

I'm sorry, I'm sorry. You know, I just heard that a phenomenal percentage of dogs, I think it sounded like 60% die of cancer. That's remarkable. I wonder how much of that is environmental. What's in food that we're giving them?

Well, I mean, certainly, you know, our ancestral wolf wasn't raised on wheat and soy dry dog food or kibbles.

Exactly.

We got him on a largely ketogenic raw food diet with large amount of CBD as well to kind of relieve some of his discomfort. But got that started a little bit late into the game. So if we'd have really shifted him onto that earlier, it might have made a little bit more of a difference.

Do you have any experience with rapamycin?

Only my familiarity with it as something that seems to be a bit of a darling in the anti aging sector right now. But why do you ask?

Because I found in literature some studies done with old dogs and it appears to have a life extension properties in dogs, possibly because it reduces risks of cancer. At any rate, I just started my 11 year old male ridgeback who's in good, great shape on rapamycin. He's had his third dose. It's a 10 week trial and I'll see what it'll do for him.

That's interesting.

It was either in 2018 or earlier this year that there was a research paper that came out on natural mimetics of metformin and, and rapamycin. And I believe that speaking of matcha it was EGCG was named as one natural alternative as well as a genin compound that I believe was somewhat related to quercetin and also the component you'd find in a wild strawberry, aphysetin. And so I'd be curious if that might be a more natural root without risking some of the immune system suppression that rapamycin might create.

Well, it seems. I don't want to talk to you all about rapamycin, but it seems like the trick is to get the dose right. So he's getting it every other day for 10 weeks and it's a dose that's recommended for dogs, which is supposed to avoid the immunosuppression and get the.

Beneficial effects every other day for 10 weeks. Interesting. And that's something. I think it was Dr. Peter Attia who was mentioning this to me, that he'll use rapamycin. I don't recall if he uses it himself, but with some patients. And he does have a dosing schedule that he said can eliminate some of the issues with immune system suppression. So he might be doing something similar.

Yeah, I'm not ready to recommend it to people, but I think that a trial in the dog is worth doing.

Yeah. Interesting, interesting. So, back to your morning routine. One thing I wanted to ask you about was your breathwork. This 478 breath and breathwork in general. Why 4, 7, 8. And do you experiment with any other forms of breath work?

Well, first of all, all breath work really comes from ancient India. This was an experiential science that developed thousands of years ago and has mostly been passed on as an oral tradition. I think the essential theory of breath work is that breathing is the only thing you can do completely consciously or completely unconsciously, run by two different sets of nerves and muscles. And the idea is that by using your voluntary system to impose certain rhythms on the breath, you gradually induce those in the involuntary nervous system. And this is only way that you can get at the involuntary nervous system and change its tone. And by doing that, you influence many aspects of physiology. This particular breath that I call the 4, 7, 8 breath is a yoga breath. It was taught to me by an old osteopathic physician, Dr. Robert Fulford, who was one of the best healers that I've ever met. And I've taught it to many, many people. It's basically inhaling quietly through your nose to a count of four, holding your breath for a count of seven, and blowing air out forcefully through your mouth to a count of eight. And you start practicing doing just four breath cycles like this, a minimum of twice a day. You've got to do it regularly because the value of this is putting this signal regularly into your nervous system. I've been doing this for. Anyway, after a month of practice, you can increase to eight breath cycles, but that's the absolute maximum. And people ask, why can't you do more? And the answer is that you were really changing brain chemistry and function by this. It's a really good stuff. And the effects, the interesting effects begin to appear after about four to six weeks of practice. I have an unusually low pulse rate, which I think I can only attribute to the breathing practice. I've done that for about 25 years, and for most of my life, my heart rate was around 70. I mean, I'm active, I swim every day, I walk, but I'm not a fanatical exerciser. And my usual. My resting heart rate is usually 42, sometimes 38. And the only thing I can attribute. Attribute that to is this breathing technique.

Yeah, yeah. You know, that happens a lot with people who will either do heavy amounts of breath work or, you know, some of these endurance athletes or sometimes someone with cardiomegaly, which I actually have from my old days of bodybuilding and all the triathlons I've done. I've got some left ventricular muscular hypertrophy going on. And, you know, my resting heart rate is about 35, 36.

But.

But I think that one thing that's important to point out to people is that that longer exhale than the inhale is so important because it's during the exhale that your. Based on the signal via your SA node to your heart, your heart rate slows and your heart rate variability increases mostly in response to that exhale.

Exactly, exactly. But this is so time efficient, this breathing technique. It takes a little about 30 seconds twice a day and the effects are remarkable.

Do you mess around with that at all? Any type of self quantification when it comes to measuring your heart rate variability or anything like that?

I don't. I think it's too much information and I have a really good sense of my internal workings and I just am very tuned into my body and I don't really need those kind of numbers to tell me things.

Okay, got it. Now, in addition to breathwork, you of course mentioned tempeh, which you did a great job defining for folks. But when it comes to something like tempeh, does one need to be careful of source? Do you have brands that you like, do you make your own or how.

Does that work exactly?

Actually, I have made my own tempeh. It's not that hard to do. You get a tempeh culture and anyway, it's a process, but it's quite good. But I think that with all soy products and with many foods, it's very important to get organic versions because you want to avoid GMO soy. So if it has an organic label, it can't be genetically modified.

Okay, all right, got it. So organic, non GMO tempeh. And then of course, something I would imagine you may have a bit more to say on, and that would be this practice of drinking matcha. You seem to be quite keen on that. I know you are even, I think, the owner of is it matcha.com?

The company is called Matcha Carry and The URL is matcha.com and I first encountered Matcha when I was 17. I went as an exchange student to Japan. This was in 1959. And by the way, I just turned 77 a few days ago. So in 1959, I stayed with a Japanese family outside of Tokyo. We had no language in common. And on the second night of my stay, my host mother took me next door to meet her neighbor who was a practitioner of tea ceremony that I knew nothing about. And as she set the utensils and the tea out, two things caught my attention, just fascinated me. One is the bamboo whisk that's used to whisk matcha in hot water. It's just a marvel of Japanese craftsmanship. And second was the color of this powdered tea. It was the most vibrant green I'd ever seen. And the taste and the whole thing just captivated my attention. When I came back to the States, no one had ever heard of matcha and it was unavailable. And then over the years, I would go to Japan. I'd always bring matcha back, I'd turn people onto it. And I was quite amazed to see this explosion of interest in matcha. You know, it escaped the tea ceremony and become a very popular drink in many circles. But unfortunately, in North America, most people have only seen and tasted very inferior matcha. It's so finely powdered that it oxidizes very quickly and loses its bright green color. It gets a bitter taste. And many people have not tasted really good matcha. So I was determined to find a way to make good quality matcha available to people. I made contact with a very good tea producer in Uji, just outside of Kyoto, which is the region that produces the best matcha in Japan, and have been importing this and selling it through the website matcha.com.

Now, what would be the difference between matcha and green tea, aside from the preparatory methods?

So, matcha is finely powdered green tea that's made from leaves of tea plants that are shaded for three weeks before harvest. And it's, I think, a 95% shade cloth. So in response to this drastic cutting of sunlight, the leaves become larger and thinner and produce higher quantities of chlorophyll, which accounts for the bright green color, and also higher quantities of antioxidants and the flavor compounds. And an amino acid called L theanine that you've heard of, which is a calming and modifies the effect of caffeine in matcha. So although matcha is stimulating, it produces an alert relaxation state rather than the jangle of coffee stimulation. So that's one difference. And also, matcha is the only form of tea in which you consume the entire leaf, which is powdered up. So you're getting it's a good delivery system for all of the beneficial compounds in tea. And as you know, there's been a great deal of research on health benefits of tea.

Now.

I absolutely love matcha and really dig the taste and the flavor of it. However, my wife gets nauseous when she drinks both green tea and matcha. Why would some people.

Have a stomach that doesn't seem to quite agree with matcha or green tea?

Well, I don't know. And I think, first of all, I would suggest that you try some of our matcha, some of the really good quality stuff, and see if she has the same reaction. I drink it unsweetened. And I also like cold matcha. I put Some in room temperature water, whisk it with an electric whisk and then put ice in it. And in warm weather I like that very much. So I'd like her to try some of our matcha and see what she thinks of it.

Yeah, I've always just wondered if some people are more sensitive to tannins or something like that.

That I have not. You know, I really, I haven't seen that. I think there's. That's much more of a problem with coffee, which has a lot of irritant substances in it. I don't see that very often with tea.

Yeah, yeah, that's interesting. She drinks coffee like it's going out of style. Now with Matcha, is the preparation method important? And the reason I ask is because I've received matcha packages before. I mean, you know, you know how it goes. Being a podcast or a blogger, you're always getting these little packages of random items and they typically come with like fancy whisks and little like sieves or filters. And I don't quite have my head wrapped around how to make a good cup of matcha. Do you have a specific method that you think is just gold standard for making killer matcha?

I do, but there's more than one way of doing it and our website has a number of videos showing how to prepare matcha. One thing is that you do need to put the powder through a.

Because if you don't do that, it forms lumps when you try to dissolve it. So I sieve enough to last me for a few days and keep that. Another thing is you want to keep matcha in the freezer or refrigerator once it's open to avoid oxidation. You want to get the proportions right of matcha powder to water. As I say, you can do it in cold water or hot water or you can make a latte with it and then you don't have to use a traditional whisky. These.

Electric whisks work very well and just experiment with it. There's also matcha can be used in cooking. You can make desserts from it, you can sprinkle it on things. There's lots of uses of matcha and no one way of doing it. And it doesn't have to be part of any sort of ceremony.

Now, are you using in the morning when it comes to supplements or whether it's off label medications like metformin or like we were talking about rapamycin, do you have any kind of go to supplements that you specifically think are really beneficial part of your daily routine?

I do. But before I mention them, can I just say that I can offer your listeners a discount code on matcha through matcha.com it's green 15 and if they put that in, they'll get a 15% discount on products.

I am noting that and I will put that in the show notes for folks. You go to Ben greenfield fitness.com weil or just go to mancha.com, green15. Okay, got it.

And supplements. So I take a basic antioxidant formula. I've done that for a long time of mixed carotenoids and vitamin C.

Vitamin E. I take a multi nutrient supplement that has trace minerals in it. I take CoQ10, which I assume you do too.

I do. I actually take CoQ10 along with PQQ and.

MitoQ in a formula that's also blended with glutathione, like a liposomal formula called Alms Bio. It's like a syringe.

Good.

Well, that's good for heart muscle, as you know. And then I take several mushroom supplements. I'm very interested in medicinal mushrooms, especially Asian mushrooms. So I take.

Two mixed mushroom formulas that have about seven or eight different species, mostly of Asian mushrooms in them. And I do that for immune support and protection against cancer and resistance to.

Infections and not to get into the weeds too much. But back to that antioxidant formula, Obviously there's a bit of controversy in the whole realm of antioxidants, probably twofold at this point. The two things I see most talked about right now, now one more well known and that's the fact that some of the studies on vitamin C and vitamin E supplementation, for example, especially in synthetic forms, have shown them to blunt the hormetic response to exercise or potentially not offer any benefit. And then the other, and this was recently brought to my attention, Dr. Barry Tan is someone I interviewed on the episode and he was talking about a NATO and how he felt quite strongly that tocotrienol forms of vitamin E were far superior to those of a mixed tocopherol blend. And he even went so far as to say that mixed tocopherols might actually be causing more harm than good.

And I'm curious if you have any comments on either of those considerations when it comes to antioxidants.

Well, I agree with both of them. I think the first of all, it is preferable to get antioxidants from your diet and mainly from fruits, vegetables, herbs, spices, beverages like matcha green tea. Nature produces complexes of molecules, often related molecules. And I think it's much better to take the whole complex rather than any isolated forms of them. And we've seen that with beta carotene, which, you know, years ago I and other physicians were recommending that especially to smokers to prevent lung cancer. And then it turned out that it actually increases cancer risk. And whereas we know that carotenoids in fruits and vegetables are protective. So that's an example of the problem of taking one element out. I also agree with that about vitamin E. Nature produces vitamin E as a complex of eight molecules for tocopherols, for tocotrienols. And if you're gonna take a supplement, I think you want that whole complex. But still to keep in mind that that's not a substitute for the natural products that contain them.

So if someone's getting a multivitamin or an antioxidant formula, is there something one could look for on the label to ensure they're not getting high amounts of the synthetic carotenoids or vitamin C or vitamin E, or that they're getting all eight of the forms of vitamin C?

Well, first of all, with a multivitamin, multi mineral product, I would first look, you don't want it to contain iron unless you have a need for iron, such as a woman who's having regular periods or someone who's had blood loss or documented anemia. Iron is a pro oxidant that can increase cardiovascular and cancer risks. You don't want to take any preformed vitamin A. It's okay to take precursors of vitamin A like beta carotene, but not preformed vitamin A. You should look for as many carotenoids as possible. So in addition to beta carotene, alpha carotene, lycopene, lutein, so forth. And with vitamin E, as I said, preferably, certainly not just alpha tocopherol, but hopefully all the tocopherols and trogatrienols as well.

Okay, got it. Any brands that you prefer, and if you're not able to name, I'm fine with that. But just curious if you.

Well, I personally am taking.

One called Megafood, which has a lower dose formulation for older people. I come to feel that lower doses of these things are better because to avoid that response that you talked about.

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Yeah, yeah, I'm not even really taking a multi right now. I kind of mainline it straight into my blood. I have a doc who sends me these push IVs, so a couple times a week I just do a quick push IV and chase that with some glutathione and call it good. And it's quite profound the difference you feel when you just mainline it into your bloodstream versus, versus, versus popping a pill. This is Dr. Dr. Craig Conover down in Charleston, South Carolina. He works with a lot of athletes and he'll just ship them IVs called fast vitamin IV and it works pretty well.

You mentioned mushrooms and of course this mushroom blend, but of course there are also psychedelic forms of mushrooms. And you have quite a history of interest in the use of psychedelics. There's, there's a book, I forget who wrote it, but it's called the Harvard Psychedelic Club. And it gets into the story of you and Timothy Leary and Richard Alpert, Ram Dass and Hustam Smith at Harvard in the 60s. And you even have another book called From Chocolate to Everything youg need to Know About Mind Altering Drugs. So I'd love to hear a little bit more about the story and the history of your use with psychedelics and.

Kind of back to your routine. Any personal protocols that you implement when it comes to that.

Well, I got into this very long ago. I first took mescaline in 1960 when I was, I guess I was 28 at that time.

Is that right? 19? No, I was 18 at the time, in 1960. And I took mescaline a number of times. This was before I had ever tried can cannabis. And.

Later, some years later, I was doing my medical internship in San Francisco in 1968. And that was a period of a lot of experimentation. So I had many psychedelic experiences at that time and afterwards. The first book that I wrote is called the Natural Mind, which is an exploration of altered states of consciousness and relations to drugs. So I really wrote a book about all of this stuff that was published in 1972. I then traveled for several years in South America and Central America. And part of what I was looking at was hallucinogenic plants. And I wrote articles about that that became a book called the Marriage of the sun and Moon. And then I wrote that book that you mentioned, From Chocolate to Morphine. All of these books are still in print and have been very popular and it's interesting to see now this sudden explosion of interest in psychedelics. I will say that without those experiences that I had on psychedelics, I don't think I would have developed the philosophy of integrative medicine that has become really the focus of my life's work. For one thing, in those psychedelic states, I just saw so clearly that what's inside our heads influences what's outside our heads and that there's a very deep connection between how we think, how we visualize and what we experience. And.

That led me to place a great deal of emphasis on mind body interactions and mind body therapies, for example. I think also those experiences deeply connected me with nature and is one reason that I became so fascinated with using medicinal plants, which I much prefer to isolated chemicals for some of the reasons we just talked about with supplements. So I would just say that those experiences have been invaluable to me and have shown me potentials that I would never have believed possible. They showed me possibilities that I found just amazing.

Now, currently, do you do anything? For example, I know many people are using microdoses of psilocybin with lion's mane and niacin, the the Paul Stamets stack. Others are microdosing with 10 to 20 micrograms of LSD to enhance creativity or analytical and creative thinking patterns simultaneously. I mean, are you still kind of on the psychedelic bandwagon as far as either microdosing or any type of TRP dosing?

Well, personally, I haven't taken TRP doses in a long time. I feel like I've explored that world. I don't need to do that again, although I won't say that I would never do it. But I did become interested in microdosing and I first tried 10 micrograms of LSD. I did it on two occasions. I did not like how that made me feel the energy in my body. Just I didn't feel synchronized with it. I wanted it to go away. And then I experimented with low doses, 100 milligrams of psilocybin mushrooms. And I found that interesting and pleasant. I liked the energy and I liked the, the after effects. So I have been doing that not on any regular schedule, but maybe once a month or so for the past year.

Yeah, what about one that was recently brought to my attention and I actually tried some after microdosing with lsd, a different form of it called one plsd. And there actually seem to be a surprising number of companies now popping up on the Internet selling this Kind of semi synthetic version of in the lysergamide class called 1plsd. And it seems to be closely related to LSD, a little bit more available.

And I'm just curious, have you ever heard of that variant of lsd?

I have not. I know nothing about it. Did you try it?

I did, as a matter of fact. It's typically sold in these very small tablets you place under your tongue. They're typically about 10 micrograms per dose, and I notice almost no perceptual difference between that and a microdose of lsd. And it's simply far more available and seems easier to get one's hands on.

One class of experiences I had with psychedelics that impressed me greatly and shaped my philosophy is seeing possibilities of my body that I had never known. For instance, I found that in those states I could walk barefoot over sharp stones and not only not feel pain, but there were no impressions left on my foot. And that second part is what fascinates me. You know, what's happening there. And my sense is that that if you're completely relaxed and your mind is out of the way, there can be very precise muscle movement that can respond with exactly the counterforce needed to neutralize the force coming at you on your foot. So I find that fascinating. And some of these things that I've experienced, I've learned to be able to do without the drugs. And I think that's just terrific. I'd love to see these available for medical use.

Yeah.

I wonder if part of it too is influenced by the time perception that seems to change in response to lsd. Meaning they've done some studies and shown that temporal intervals in the brain seem to be.

Much more responsive. I mean, it seems to make.

Just a brief moment in time go by a little bit more slowly or you're more responsive to that brief moment in time. So I'm watching, wondering if it actually upregulates, for example, like proprioception in your foot soles to where you're just simply able to respond to little micro changes in the texture into your feet a little bit better.

Certainly a possibility should be studied. Another thing that I've seen often is complete disappearance of allergies in these states, which sometimes persists afterwards. There's a story that I've you told, told on other podcasts that I grew up having. I had fair skin. I could never get tan. My experience of being in the sun was that I'd get really bad sunburned sheets of skin coming off, not clothed, with noxema. And I just accepted this is how I was. And one day when I was 28, in the period of actively experimenting with stuff, I took lsd.

I think I was with some friends. I was in a rural, beautiful rural setting in Virginia. It was a sunny spring day and I was running around with no clothes and laid down on the grass with the sun overhead. And I thought, this is really stupid. I've always been trying to defend myself against the sun. So I just lay there and the next day I got tanned and I have ever since. So that's fascinating to me.

You mean through the use of LSD you upregulated melanin production or your tanning.

Responses somehow instantaneous change and has been persistent all my life. So something happened. It has to be regulated through some connection between the mind and the immune system, which connects to a nervous system which regulates how melanocytes behave.

That's very interesting. The only time I've experienced some kind of unique tanning response to.

An ingested or an injected molecule is I messed around for a brief period of time with the peptide that was made popular by bodybuilders or grew in popularity amongst bodybuilders called Melanotan. And it's an injectable peptide that upregulates your melanin response. The problem is that it also produces priopasmic like erections that last for. So it was quite disruptive to sleep, but it, but it works as advertised for tanning. It's very strange. You simply inject it and you tanner that, huh? Yeah, yeah. Back when I was a bodybuilder, I wish I would have known about it because it would have saved my wife a lot of time smearing gold flaked tanning lotion on me before, before competitions. So do you, do you still use cannabis much?

I don't. You know, I had a period in my 20s and 30s when I was a very rare user of cannabis. And when I look back, my history with it is interesting. When I first started to, on the first occasions when I smoked it, I felt nothing. And then when I began getting high on it, this was in, probably in my early 20s. The highs were fabulous. It was very, you know, a lot of hilarity, laughter, conviviality.

Social stuff, of course, eating, you know, just very joyful. So for a couple of years those were my main experiences with it. Then slowly that began to change. And when I smoked cannabis, it was much more of an introspective high, stimulated my imagination. I found it very useful for creativity as a writer. It facilitated my getting into meditation and. And that lasted for a number of years. I still used it socially, but I really liked to go inward with it. And then again Slowly in my 30s, that's changed. And I began to lose those effects and found mostly that it made me groggy and sleepy and sluggish. And although it continued to do that, I kept using it and it took me quite a while to separate myself from it. And now I really don't use it. It at all, which is sort of funny because everyone expects me to be very involved with it since I did the first double blind human experiments with cannabis when I was a senior medical student. That was in 1968. And have been active in the early days of cannabis research, and I still am. I'm the head of the scientific advisory board of the Maui Wellness Group, which got the first dispensary license in the state. State of Hawaii. So I still follow all that, but I personally don't use it. And I just was fascinated by what changed there. I don't think it was the pot. It was my body changed as I got older and my response to it changed.

Yeah, well, I mean, we certainly know the endocannabinoid system can change remarkably in states of cancer or in states of chronic pain. We know that the cannabinoid ligands that are mediated by Some of these CB1 and CB2 receptors can dynamically change, as can many of the receptors for the endocrine system. So I'm sure that whether it was a change in receptor availability or something else in response to chronic use, I mean, it's kind of like with anything, even caffeine, I switch to decaf about once a month for around seven to 10 days just to kind of down regulate my adenosine or up regulate my adenosine receptors.

By the way, cannabis, like most plants that have physiological effects, is a very complex source of compounds. And it's not just the cannabinoids. There are terpenes. There's a whole range of interesting chemicals in cannabis that probably have physiological effects. And I think many of these other things other than THC and CBD really influence how that plant affects us and also should be looked at when we're looking at using these things medicinally.

Yeah, yeah. I do a little bit of investing in the cannabis space, and I'm right now primarily paying attention to companies that are isolating, like the CBN and the CBC and the CBG and some of these components that go beyond THC and cbd, or combining them in specific ratios with THC and cbd or even combining them with things that upregulate the so called entourage effect. Like chamomile and turmeric and some of these other compounds.

Exactly. Cannabis. Let me just say I'm trained as a botanist as well as a physician. Before I went to medical school, my academic work was in botany. And I find cannabis just fascinating. As a plant, it is exactly an analog of the dog in the plant world. Dogs years and years ago made an evolutionary decision to co evolve with us and cannabis has done exactly the same thing. We can't find examples of truly wild cannabis that's never been influenced by human interaction because as far back in history as we look, look, it's always been associated with human settlements. And that plant wants nothing more than to serve us. It lets us modify its genome. It just wants to be with us and do things. It provides an edible seed, an edible oil, a medicine and intoxicant a superior fiber. That's a lot of ways for one plant to be useful. Sativa, the species name of cannabis is useful. The useful hemp. And I think we've been very stupid in our relationship with that plant. Plant. We have let a multi billion dollar industry in hemp textiles slip away to China. A multimillion dollar industry in edible hemp products go to Canada. We have not ignored it as a potential medicine. I'm delighted to see all this now changing.

Yeah, yeah, there's even that concept. I believe it's an ayurvedic medicine of some ancient plant that was kind of the highest up on the totem pole when it comes to the, the range of benefits that one can derive from it. And I think that most people suspect that that was likely. Cannabis could well be, I believe in food of the gods. That's what, that's what Terrence, Terrence McKenna postulates that in that book.

Yep.

Yeah, yeah. Or no, you know what he says? Food of the gods. He actually, I think he thinks it's psilocybin.

I think it's someone else that, that named it as cannabis. But regardless of those are pretty high up there. And I would say that when it comes to the range of benefits, it seems that cannabis might even be more broad than psilocybin.

And also it's so free of toxicity, it's one of the least toxic medicines we know. So we certainly should be finding ways to use it.

Yeah. Any concerns with the growing use of everything from ketamine to MDMA to microdosing, et cetera, do you, did you get any concerns about any type of neurotransmitter imbalances. Do you think that there are certain things that should be co administered along with those compounds to stave off any type of issues like 5 HTP or something like that? Do you ever think about that?

I do, but I think one of the built in safeguards of the psychedelics is that you can't take them frequently enough to get that effect. Because if you try to take them with any regulatory irregularity, you lose the interesting effects that tolerance develops very quickly. So you don't find, I mean, maybe very unusual individuals who take these things every day. And I think with microdosing that doesn't happen. So yes, sure, it's probably a good idea to do things that are going to protect your serotonin and dopamine levels, but I don't think it's a major concern if you're not using irregularity.

Got it. Now we. You briefly mentioned self quantification. Do you measure heart rate variability, et cetera. But of course, this term biohacking has become increasingly popular and there are many people using all sorts of devices like headsets for cranial electrical stimulation or tdcs or hyperbaric oxygen therapy and infrared and red light. Do you mess around with any of that stuff?

Well, first of all, I think all of these techniques and therapies are very useful and have their place. Hyperbaric oxygen has standard medical uses for decompression sickness, for example, for treatment of burns. And I have sent many patients to it. I had a man, middle aged man, who had a very severe systemic infection that was unresponsive to antibiotic treatment. He was in the hospital and was a strange organism. And I suggested that he try hyperbaric oxygen and that really turned the tide around for him. I don't do these things myself because I have no need of them. I'm fascinated by things like the transcranial magnetic stimulation and pulsed light therapies. I think these are going to turn out to be extremely useful for mental health conditions. But I don't have any need for them right now, so I don't do them myself.

Yeah, some, some of them are interesting, you know, like I'll use a little bit of cranial electrical stimulation before I'll settle down for a nap. You know, I have a vagal nerve stimulator called a New Calm. That, that seems to really help, you know, you know, in the middle of the afternoon and I'm working and I just need to duck away and check out for a little while. That's One that I'll use, you know, another, another very interesting one that you know, speaking of the hyperbaric oxygen therapy, of course it can be time consuming and the big chambers can also be a little bit large and unwieldy and difficult to squeeze into your basement. But I'll do, when I train a couple of times a week just to kind of upregulate mitochondrial density and get kind of the same response of almost that hormetic response to high doses of oxygen, I have this, this thing called a live O2 and it's like an air scrubber. It concentrates the oxygen in a large bag and then you breathe in this oxygen while you're riding, in my case, a stationary bicycle. And it's a little switch on it. You can switch from hypoxia to hyperoxia. So you get this vasodilation, vasoconstriction effect. And I find that one to be pretty useful when it comes to the use of almost like an HP bot like stimulus.

I will check it out. My inclination is to find natural ways of doing these things. I told you. I live near a big wonderful forest. So I spend a lot of time in the forest where the oxygen levels are much higher than out of it. And I live right on the ocean here. The ocean's fairly cold most of the time. I have an 80 step staircase down to the beach. So I go down and every day, day jump into the cold ocean and spend as much time as I can, then come back up and I find that kind of stimulation, I think probably achieves some of the same results that you're getting.

Oh, absolutely, yeah. Anytime you can get your infrared from the sunlight or your, you know, you're grounding and earthing from the actual earth versus a, you know, a pulsed electromagnetic field mat or anything like that, I think it's far superior, more natural, and also relatively free compared to some of these spendy biohacks. Yeah. Now, some of this stuff, though.

Different practices like 478 breathing or supplements or dietary protocols, I think some of this stuff still is not that respected in terms of Western allopathic medicine because of a lack of double blind placebo controlled studies or human clinical research, et cetera. How do you kind of navigate the process for yourself of being a traditionally trained MD physician and then also having such a heavy foot planted in the natural medicine world.

So first of all, I not only have to navigate that for myself, but I have to navigate it in my recommendations to patients and people who follow my work. I have developed a Very good intuitive sense about things, and I check out a lot of information. I Our center at the University of Arizona has graduated over 1800 physicians from very intensive trainings in integrative medicine. So I have a large network of people who are out there spying for me and getting information, and I usually don't miss anything. One rule that I practice and teach.

Is that we should get in the habit of using a sliding scale of evidence. In medicine that works like this, the greater the potential of a treatment to cause harm, the stricter the standards of evidence it should be held to for efficacy. For example, with breathwork, there has not been much research on it because researchers don't take it seriously. How could anything so simple that doesn't involve a drug or a device do anything? So it's very hard to get the attention of researchers to look at it. But I'm not bothered by the lack of controlled studies on it. There are few because the potential for harm of the 4, 7, 8, breath or other things is so low and my experience of its benefits is so robust that I feel quite confident in recommending that to people.

And do you find yourself catching much flak in the allopathic medicine community or are you well enough established now to where it doesn't matter?

Well, first of all, I've never practiced allopathic medicine. I dropped out after my basic clinical training because I didn't want to do that. I saw it caused too much harm. And over the years I developed my own philosophy. I first called it natural and preventive medicine and then integrative medicine. And at first, for a number of years, I had a growing following in the general public, but none of my medical colleagues paid any attention to me. And that did not change until the early 1990s. And the reason it changed was that that was when the economics of health care began to go south. And it was only when the pocketbooks of institutions began to be squeezed that they began to pay attention to what consumers had been demanding. I think integrative medicine is now very firmly established. The center that I founded and direct at the University of Arizona is a center of excellence in the College of Medicine, I think very well established.

I probably always will continue to get flack, but if I didn't, I don't think I'd be doing my job.

So I.

So it doesn't bother me. And I think I have great respect of my colleagues and many people in professional medicine. And I don't reject allopathic medicine. Obviously, there's some things it does very well. It's very good at dealing with trauma and medical crises. And I think it's important for people to know when and when not to use that system. We're trying now to use it for everything, including chronic degenerative diseases that are rooted in lifestyle choices. And its methods just are not very good for that.

Yeah, all right, well, fair enough. And it seems like you're making a pretty big difference with the work that you're doing.

Even if everything doesn't have some kind of a double blind, placebo controlled study behind it. Now, in terms of speaking of your patients, are there any other best practices? You obviously have gone over a lot. Breath work and meditation and some of these supplements, et cetera. Anything else that just across the board you find yourself repeatedly recommending to your patients or in your clinic and you think are just must do lifestyle or health or nutrition or exercise tactics.

Sure. I'll give you a quick list. First of all, nutrition. I think it's very important to learn the basics about nutrition. It's not all confusion out there. We have, we know a lot of things and the basic rule is to avoid eating processed, refined and manufactured foods. That simple. It's that stuff that's doing us in. And try to eat as many whole natural foods as possible. Secondly, I think it's very important to be physically active throughout life. And that also, I think may mean changing the forms of your activity as your body changes with age, but you want to keep moving. Third, I would say it's very important, important to get good rest and sleep.

It is astonishing how many people in our population don't sleep well. Either they're not getting enough or not sleep of good quality or don't get rest. Fourth, I think it's very important to learn and practice some method of neutralizing harmful effects of stress on the mind and body. My personal Preference is the 4, 7, 8 breath. But there are many other things you can do beyond that. I think it's important to connect with nature. You know, whether you do that by spending time outdoors. For me, my companion animals are a very key part of my life. I think it's important to have fun and to have strong social connections and social support and to keep intellectually active as you go through life. The MacArthur foundation some years ago did a study of what they called success. They collected a population of people they felt had aged successfully to see what they had in common. And there were two factors that stood out that dwarfed everything else. One was maintenance of physical activity throughout life. And the second was maintenance of social and intellectual connectedness. And that overshadowed whether people took supplements and what kind of diet they ate and so forth. So I think that's a good thing to keep in mind.

Now, how about yourself when it comes to.

Your evening routine? We began this podcast talking about how you begin your morning. But of course winding down at the end of the day is also something that many people have difficulty with. Some people struggle with getting to sleep, some people struggle with deep sleep percentages. Are there habits and routines that you implement in the evening that you think are just must haves in your own life?

Well, first of all, I'm a morning person. That's when I'm mentally most active. So I try to do my desk work or any writing in the early part of the day. I try to disconnect from devices.

In early afternoon if possible. And that means not looking at the computer, not looking at my mobile phone. I don't always succeed with that, but I try to do that in the afternoons. I like to swim, work in the garden and then I usually cook with friends in the evening. And I love cooking together. I like making food, I'm a good cook, I like food. And then after dinner, often I may read, I may take another walk in the forest, I may watch a movie. I usually go to bed around 9 o' clock I would say, and I fall asleep quite easily. I do the four sleep, seven eight breath and I sleep well. I take melatonin every night, which I like and I get wonderful dreams from it. But I'm a good sleeper and I get about usually 7 hours of sleep a night, which feels right for me.

How much melatonin do you use?

Well, I take 2.5 milligram sublingual tablet for sleep.

I have taken higher doses for immune for cancer protection than immune support.

Yeah, I find myself recommending melatonin repeatedly to my older clients just because your production decreases as you age. I personally take a very small dose, about 0.3 milligrams or so prior to bed, but I anticipate needing to increase that as I age. And, and the other thing, kind of like yourself, that I've found more and more after getting caught in that vicious cycle of almost relying too heavily on all these so called biohacks before bed, needing to make sure that I take my chamomile and my CBD and my melatonin and all the different sleep enhancing supplements and then put on the blue light blockers.

And lay there in bed waiting for my brain to conquer out from all the, all the supplements I've taken, you know, I really, you know, like you, I've, I've found that breathwork is the most powerful thing that you can do. It shocks me the number of people who will just take, you know, adaptogenic herbs and phosphatidylserine and whatnot until the cows come home, but they refuse to just spend five to 10 simple minutes in bed, laying there, or even sitting cross legged on the floor next to the bed doing some form of breathwork or meditation prior to bed. And I really do think that that is the biggest game changer of all. I really do.

Well, we're in total agreement on that. The beauty of breathwork is it's something you have right under your nose, it's free, it takes very little time, it's efficient, and it is just amazing that researchers in this part of the world have been so blind to it. It produces, can produce the most dramatic physiological effects that I've seen if it's practiced regularly, such as dramatically lowering heart rate, for example, or changing circulation. I've had patients that have chronic GI problems that have gone away just from doing that breath work.

Yeah, it's amazing what we can do endogenously without the use of any crazy biohacks or medications or, or supplements.

And can I just say that I think the basic. Just one last thing. The basic philosophical premise of integrative medicine is that the body can heal itself. And I just want to tell your listeners that to try to develop more confidence in the intrinsic healing potential of your body because it's tremendous sage advice.

And you're doing great work.

Work.

So thank you for all the information you're putting out there and for those of you listening in, everything that we've mentioned, the books mentioned on this show, previous podcasts, etc, I'll link to over@BenGreenfieldFitness.com.

W e I L and in the meantime, I need to probably go upstairs to my kitchen and hunt down some matcha. And now that this is all fresh on my mind mind, get out the whisk and figure out how to make it the right way. Dr. Weil, thank you so much for coming on the show, man.

Pleasure to talk to you.

All right, folks, I'm Ben Greenfield and Dr. Andrew Weil signing out from BenGreenfieldFitness.com have an amazing week.

Well, thanks for listening to today's show. You can grab all the show notes, the resources, pretty much everything that I mentioned over@Ben greenfieldfitness.com along with plenty of other goodies from me, including the highly helpful Ben Recommends page, which is a list of pretty much everything that I've ever recommended for hormones, sleep digestion, fat loss, performance, and plenty more. Please also know that all the links, all the promo codes that I mentioned during this and every episode help to make this podcast happen and to generate income that enables me to keep bringing you this content every single week. So when you listen in, be sure to use the links in the show notes. Use the promo codes that I generate because that helps to float this thing and keep it coming to you each and every week.