Defiant Health Radio with Dr. William Davis
Episodes
What's the REAL story with fish oil?
04 Dec 2025
Contributed by Lukas
Nearly 30 years of misinformation, disinformation, and misleading marketing have left most people confused: Do omega-3 fatty acids from fish oil reduc...
What's better than probiotics?
01 Dec 2025
Contributed by Lukas
Many people take probiotics in the hopes that it will help reduce gastrointestinal struggles with excessive gas, bloating, diarrhea, constipation and ...
My Conversation with JJ Flizanes: Conquering Your Life Obstacles
10 Nov 2025
Contributed by Lukas
JJ Flizanes has worn a number of hats over the years as actress, physical trainer, and most recently what she calls an “empowerment strategies.” H...
Pushback against GLP-1 agonists
05 Nov 2025
Contributed by Lukas
Millions of people have been persuaded that the GLP-1 agonist drugs are the answer to their weight loss prayers. While they do work well in the near-t...
Why Weight Loss Can Be Harmful to Your Health
22 Oct 2025
Contributed by Lukas
Yes, you can lose weight by reducing calories whether through a calorie-cutting diet, bariatric procedure, or pharmaceutical. But the effect is almost...
Oxalate Hysteria
15 Oct 2025
Contributed by Lukas
There are a number of people advocating a diet low in oxalates, essentially eliminating many green leafy vegetables, Brussels sprouts, asparagus, cele...
What happens when you deprive yourself of blue light?
24 Sep 2025
Contributed by Lukas
Science journalist Lynne Peeples did something extraordinary: She spent 10 days in a nuclear bunker exposed only to dim red light but no blue or other...
Why are you no longer hungry?
17 Sep 2025
Contributed by Lukas
People who were previously ravenously hungry, struggling to be satisfied and tending to overeat, can find themselves miraculously back in control of a...
There's a 50:50 chance that you have this epidemic condition
09 Sep 2025
Contributed by Lukas
There is a non-infectious epidemic occurring right beneath our noses. The likelihood that you are affected is around 50%. It's the epidemic of sm...
Here's a microbe you should know about: Bacillus subtilis
03 Sep 2025
Contributed by Lukas
My original recipe for SIBO Yogurt included three microbes chosen for their ability to colonize or germinate in the small intestine and produce bacter...
Yogurt That's Not Yogurt: My Accidental Sleep Cure
29 Aug 2025
Contributed by Lukas
I’ve personally struggled with insomnia for years, unable to sleep more than a few hours at a time, experiencing frequent awakenings, sometimes awak...
Misplaced blame
28 Aug 2025
Contributed by Lukas
You’re walking down the street, minding your own business, just out to run some errands. You’re wearing a black jacket, running shoes, a baseball ...
Microbiome Madness
17 Aug 2025
Contributed by Lukas
It’s truly an exciting time. The information and science surrounding the microbiome is exploding. It seems that a day doesn’t pass without some ne...
What was this Wheat Belly thing all about?
05 Aug 2025
Contributed by Lukas
When the first Wheat Belly book was released in 2011, it quickly leapt to centerstage, gaining a huge worldwide following. Millions of copies of the b...
10 things you may not know about your CT heart scan and coronary calcium score
25 Jul 2025
Contributed by Lukas
While CT heart scans are becoming increasingly popular to generate a coronary calcium score as a gauge of coronary atherosclerotic plaque and thereby ...
How to use inulin to map the location of microbes in your GI tract
07 Jul 2025
Contributed by Lukas
Inulin is a common fiber, the fiber found in root vegetables like onions, garlic, shallots, asparagus, jicama and many other foods. Humans lack the di...
The Guardrails of Diet
24 Jun 2025
Contributed by Lukas
Here are what I call "The Guardrails of Diet,' i.e.., metabolic markers that tell you whether your diet is genuinely healthy or not. Too man...
Managing high blood pressure without drugs
20 Jun 2025
Contributed by Lukas
Conventional healthcare and dietary advice are, unfortunately, virtually useless in providing effective strategies on how to manage blood pressure nat...
Ten Unexpected Signs of SIBO
16 Jun 2025
Contributed by Lukas
Small intestinal bacterial overgrowth, or SIBO, is now rampant, a virtual nationwide epidemic, a condition now carried by around 50% of the population...
The Lies Being Spread About Sourdough Bread
30 May 2025
Contributed by Lukas
Bakers, breadlovers, even purported health information authorities such as the Mayo Clinic all spread the claim that all the problems associated with ...
Hyaluronic acid: Most important DIETARY fiber of all?
15 May 2025
Contributed by Lukas
We’ve been urged to include plenty of dietary fiber in our daily routines, fibers that come from vegetables, legumes, grains and other plant sources...
The REAL way to stop or reverse heart disease
24 Apr 2025
Contributed by Lukas
LDL cholesterol, apoprotein B, saturated fat, TMAO, statin cholesterol drugs: Over the last 40 years, we have been inundated with misguided advice on ...
Will eating yogurt change your life?
12 Apr 2025
Contributed by Lukas
Go to any supermarket and you will see the impressive variety of products in the dairy aisle labeled "yogurt." You have a mindboggling colle...
Cold Water Immersion: Cardiac Russian Roulette
02 Apr 2025
Contributed by Lukas
The practice of immersing your body in ice water is growing in popularity based on claims of improved mood and well-being, muscle recovery after exerc...
Why Cutting Calories is Dangerous
20 Mar 2025
Contributed by Lukas
Over 50% of Americans are, at any one time, trying to lose weight. So it’s understandable that the GLP-1 agonist drugs like Ozempic and Mounjaro hav...
Dr. Eric Westman on the Power of Limiting Carbohydrates to Reverse Type 2 Diabetes; Cholesterol is not a disease
04 Mar 2025
Contributed by Lukas
I first met Dr. Eric Westman at a low-carbohydrate meeting a number of years ago where he discussed an extremely important and insightful human clinic...
Are health coaches the future of healthcare?
05 Feb 2025
Contributed by Lukas
We all recognize that American healthcare is a badly broken system. Wildly overpriced, exploitative, with a focus on pharmaceuticals and medical proce...
Is blue light damaging your eyesight?
22 Jan 2025
Contributed by Lukas
Over the past decade, most of us have converted our home lighting to light-emitting diode (LED) bulbs, as they save a significant amount of energy, re...
Managing Endotoxemia: Key to SO Many Aspects of Health
04 Jan 2025
Contributed by Lukas
I’ve touched on the topic of endotoxemia in past episodes of the Defiant Health podcast. In this episode, let’s dive deeper into this topic that i...
Why managing skin pH is crucial for skin health and appearance
13 Dec 2024
Contributed by Lukas
I’ve been showing thousands of people how to restore this microbe lost by the majority of modern people, Lactobacillus reuteri. But, of all the spec...
The curious phenomenon of bacterial translocation that is key to so many health conditions
06 Dec 2024
Contributed by Lukas
I’ve spent some time reflecting back on all my years practicing in hospitals, often not sleeping for extended periods, sometimes days, covering hosp...
Seven Reasons to NEVER Eat Wheat Again
20 Nov 2024
Contributed by Lukas
Those of you who follow my discussions that started with the Wheat Belly series of books already know that there is a long list of reasons why humans ...
The myth of “optimal medical therapy”
03 Nov 2024
Contributed by Lukas
Over 30 years ago, I help set up the first CT heart scan device in Wisconsin, one of the first in the entire midwest. This was so long ago that it was...
Unlocking Wellness: Reed Davis on Environmental Toxins and Holistic Health Solutions
18 Oct 2024
Contributed by Lukas
“Everyone coming in the door were sick and had already been to 8 or 10 healthcare practitioners and weren’t better yet. This is all wrong.”“It...
Omega-3 Fatty Acids: Facts and Controversies
16 Oct 2024
Contributed by Lukas
Over the last 30 years, the question over whether omega-3 fatty acids from fish has been the subject of controversy, swinging from exuberance over its...
How NOT to have atrial fibrillation
30 Sep 2024
Contributed by Lukas
Atrial fibrillation, or A fib for short, is the most common heart rhythm issue that plagues people. About 30% of people will experience this rhythm di...
The Powerful Influence of the GI Microbiome on Sleep
14 Sep 2024
Contributed by Lukas
Sleep issues represent a major struggle for millions of people: too little sleep, trouble falling asleep, trouble staying asleep, early morning awaken...
The GLP-1 Agonist Weight Loss Disaster
25 Aug 2024
Contributed by Lukas
You’ve likely heard the headlines gushing about the weight loss effects of the GLP-1 agonist class of drugs, agents that go by names like Wegovy, Mo...
How much of your personal health begins in the mouth?
10 Aug 2024
Contributed by Lukas
The oral microbiome is second only to the colon in the density of microbes living there. The mouth is really a collection of varied ecosystems that di...
Common Myths and Misconceptions About Wheat
29 Jul 2024
Contributed by Lukas
Despite having written 7 books in the Wheat Belly series pointing out the harms that this “food” has inflicted on people, harms that doctors nearl...
The Finer Points of Vitamin D Supplementation
16 Jul 2024
Contributed by Lukas
Achieving an optimal level of vitamin D provides numerous health advantages, from relief from winter blues to reduction in cardiovascular risk to redu...
Skin Health from Within: Nutrients, Modern Diets, and the Gut-Skin Axis
01 Jul 2024
Contributed by Lukas
In this episode of the Defiant Health podcast, I bring together a number of strategies I’ve discussed piecemeal in past that have enormous potenti...
“The Dark Dirty World of Sugar”: An interview with Joyce Laszloffy
12 Jun 2024
Contributed by Lukas
In this episode of the Defiant Health podcast, I interview Joyce Laszloffy who personally struggled with a crippling sugar addiction and overweight fo...
Decoding Emotional Eating: My Interview with Life Coach Molly Zemeck
04 Jun 2024
Contributed by Lukas
In this episode of the Defiant Health podcast, I interview life coach, Molly Zemek. Molly comes from the unique background of having worked as a Le Co...
Nootropics vs Neurotrophics: Know the difference for preservation of brain health
25 May 2024
Contributed by Lukas
You have likely heard the headlines: cognitive impairment and Alzheimer’s and other forms of dementia are on the rise. Part of the increase is due t...
The Microbiome and Skin: My Interview with Microbiologist Kiran Krishnan, PhD
04 May 2024
Contributed by Lukas
In this episode of the Defiant Health podcast, I have a special guest: microbiologist Kiran Krishnan, PhD. In addition to conducting research on mi...
The Microbiome-Cancer Connection
21 Apr 2024
Contributed by Lukas
Cancer is, of course, something we all fear, a collection of diseases that strike us down unexpectedly and often put us at the mercy of a deeply flawe...
Potpourri: Hyaluronic acid, allulose, L. reuteri and reproductive health
21 Mar 2024
Contributed by Lukas
There are a great many emerging ideas to discuss, but sometimes these topics are just not big enough to fill out an entire podcast episode. So I decid...
My recent antibiotic experience
06 Mar 2024
Contributed by Lukas
I recently had an experience in which I had to take an antibiotic. Those of you who have been following my Defiant Health podcast discussions, or have...
How to Stop "Treating" Health Conditions
21 Feb 2024
Contributed by Lukas
It’s a concept that many people struggle to embrace or understand. But once you ‘get” it, a lot of issues in health will become clearer and you ...
A conversation with JJ Flizanes: Identifying your obstacles to success in weight loss, health, money, career, and relationships
03 Feb 2024
Contributed by Lukas
A former actress and long-time personal fitness coach, JJ Flizanes has focused these last few years on helping people identify the reasons that they o...
Infertility, miscarriages, brain fog and environmental toxins: My conversation with Dr. Tom O’Bryan
16 Jan 2024
Contributed by Lukas
In this episode of Defiant Health, Dr. Tom O’Bryan discusses his unique approach to managing environmental toxins that now flood our lives, toxins t...
The Perils of Carb Loading and the Power of Fat Adaptation for Athletic Excellence
08 Jan 2024
Contributed by Lukas
You likely know people who engage in strenuous exercise—a marathon, triathlon, long-distance biking, even just day-to-day exercise—or perhaps you ...
Why I take no prescription medications
29 Dec 2023
Contributed by Lukas
Personally, I take no prescription medications. I do not take a statin drug to reduce cholesterol, nor baby aspirin. I take nothing for high blood pre...
SIBO: The Great Masquerader
16 Dec 2023
Contributed by Lukas
If you have been following my discussions in this Defiant Health podcast or in my blog, DrDavisInfiniteHealth.com, or my Super Gut book, you know that...
The Little Known Secrets of Slowing Aging by Reducing Glycation
08 Dec 2023
Contributed by Lukas
There are a handful of strategies that you can engage that slow the phenomena of aging, i.e., slow or stop the development of skin thinning and develo...
Radiant Skin and Health: A Holistic Approach with Aesthetician Rachel Varga
27 Nov 2023
Contributed by Lukas
Promising radiant skin and a healthier life, I'm thrilled to welcome aesthetician Rachel Varga, founder of the School of Radiance, to share her h...
The 7 counterintuitive keys to successful long-term weight loss
17 Nov 2023
Contributed by Lukas
There are a variety of ways to lose weight: reduce calories, pharmaceuticals, bariatric procedures. But these are successful only in the beginning: Yo...
Here’s what happens when you reduce endotoxemia
06 Nov 2023
Contributed by Lukas
Ready to unlock the secret to your health buried deep within your gut? In today's illuminating episode, we reveal the unsuspected ways in which s...
Making Sense Out of Your Cholesterol Panel
28 Oct 2023
Contributed by Lukas
Cholesterol testing is among the most common blood tests run in conventional healthcare, yet it is a perennial source of confusion and, to be honest, ...
Butyrate: Unleashing the Power of Diet for Flawless Skin
13 Oct 2023
Contributed by Lukas
What if a simple diet change could drastically improve your skin health? Get ready for an enlightening discussion on the gut-skin axis as we explore t...
The Hidden Dangers of Abdominal Fat—and How to Get Rid of It
06 Oct 2023
Contributed by Lukas
Prepare yourself for a fascinating exploration into the depths of body fat and its varying health implications. We promise you'll walk away with ...
My Conversation with BiotiQuest's Martha Carlin: Parkinson's Disease, Eradicating Endotoxemia, Hazards of Extreme Exercise
21 Sep 2023
Contributed by Lukas
Ready to uncover the intriguing connection between Parkinson's disease and the gastrointestinal microbiome? Join us as we explore this fascinatin...
Deciphering the Complex World of Food Intolerances: The Role of Diet, Lifestyle, and SIBO
06 Sep 2023
Contributed by Lukas
Has your dinner ever declared war on your stomach? Imagine if you could decipher the secrets of your gut and take back control. Today, we're emba...
The blood glucose “No change rule” to accelerate weight loss and achieve other health benefits
28 Aug 2023
Contributed by Lukas
Monitoring blood glucose, or blood sugar, can be a useful tool in achieving a number of important health effects. You can apply it to accelerate weigh...
Donna Schwenk on the Power of Kefir, L. reuteri Yogurt, Revitalization, and Sex
10 Aug 2023
Contributed by Lukas
Our great grandmothers were usually knowledgeable and adept at fermenting foods, i.e., allowing microbes to grow on food, thereby keeping foods, such ...
Can you look and feel many years younger?
03 Aug 2023
Contributed by Lukas
Ever wonder why some people seem to age more gracefully, retaining a youthful glow and vitality while others show the rapid signs of aging and deterio...
Seven Important Measures of Cardiovascular Health--and It's Not Cholesterol
25 Jul 2023
Contributed by Lukas
Ready for a heart-to-heart talk about the real culprits behind heart disease? Get ready to challenge everything you thought you knew about cholesterol...
Disentangling the Web of Deceptive Diet Advice
13 Jul 2023
Contributed by Lukas
Prepare to be astonished as we unravel the enigma of diet advice that has left us entangled in numerous contradictions and confusions. We're taki...
Unveiling the Secrets of Ancestral Dental Health: Diet, Lifestyle and Beyond
06 Jul 2023
Contributed by Lukas
Anthropologists will tell you that, of all body parts preserved in the fossil record, going back thousand or even millions of years, teeth are the bes...
Collagen: Anti-Aging Protein?
02 Jul 2023
Contributed by Lukas
Collagen is a protein, the most abundant protein in the human body. It is the protein that provides tensile and flexible strength to tendons and ligam...
Alpha Dreams, Alpha-Delta Sleep and Other Microbiome Effects on Sleep
23 Jun 2023
Contributed by Lukas
Long regarded as a passive phenomenon, you have likely heard that sleep is an active process complete with various phases, roles in maintaining metabo...
What Lessons Can We Learn From the 50-Year Low-Fat Dietary Mistake?
10 Jun 2023
Contributed by Lukas
Why has the 50-year-old recommendation to reduce dietary fat failed to make a dent in heart disease, death, or heart procedures? Could it be that the ...
How and Why Wheat Makes You Fat
27 May 2023
Contributed by Lukas
Dietary guidelines advise us that a diet low in fat and rich in “healthy whole grains” helps maintain healthy weight. Is this true? It absolutely ...
How NOT to have fatty liver
21 May 2023
Contributed by Lukas
It’s happening with alarming frequency: Someone has routine blood work done and an increase in liver markers, AST, ALT, and sometimes GGT, are noted...
The Case Against GLP-1 Agonists
10 May 2023
Contributed by Lukas
You’ve likely heard the headlines: the new class of GLP-1 agonist drugs with silly names such as Wegovy, Ozempic, Saxenda, Rybelsus, and Mounjaro ar...
Can arthritis be prevented or reversed?
03 May 2023
Contributed by Lukas
Ask most doctors, “Can arthritis be prevented or reversed?” Most will say no, or say that it’s genetic and therefore unstoppable. The better inf...
Can narcissism be reversed?
25 Apr 2023
Contributed by Lukas
Do you have the sense that people are acting more selfishly, less considerately, less empathetically, less affectionately as time passes? How often ca...
The keys to body shape, muscle, and fat
15 Apr 2023
Contributed by Lukas
The science supporting our ability to shape our bodies, to control how much muscle we have, where fat is deposited, which fat stores are mobilized whe...
VLDL: The REAL Cause of Heart Disease
30 Mar 2023
Contributed by Lukas
For over 50 years, people in conventional healthcare have urged Americans to reduce their intake of saturated fat, eat more “healthy whole “grains...
What's the best way to eradicate SIBO?
22 Mar 2023
Contributed by Lukas
I’ve previously discussed this widespread epidemic we are experiencing called SIBO, small intestinal bacterial overgrowth. For those of you unfamili...
Anti-Aging Yogurt
15 Mar 2023
Contributed by Lukas
Many of you are already familiar with my Lactobacillus reuteri yogurt, the yogurt that causes a boost in the release of the hormone oxytocin. Well, ...
Cholesterol: Not what it’s cracked up to be
05 Mar 2023
Contributed by Lukas
In this episode of Defiant Health, let’s discuss Why cholesterol testing, despite being promoted by nearly all practicing physicians, achieves almos...
Hyaluronic acid: Dietary missing link
22 Feb 2023
Contributed by Lukas
In this episode of Defiant Health, let’s discuss this nutrient that has essentially disappeared from the diets of most modern people: hyaluronic aci...
Why cutting calories is dangerous
14 Feb 2023
Contributed by Lukas
In this episode of Defiant Health, let’s talk about why cutting calories in your diet to lose weight is a really bad idea, a practice that yields su...
Health begins in the mouth: An interview with functional dentist Debbie Ozment, DDS
07 Feb 2023
Contributed by Lukas
In this episode of Defiant Health, functional dentist Dr. Debbie Ozment shares her unique wisdom and experience in managing the oral microbiome with s...
Is your skin aging faster than it should?
30 Jan 2023
Contributed by Lukas
In this episode of Defiant Health, I ask the question: Is your skin aging faster than it should? If you are engaging in conventional ideas about diet,...
Big Butt or Big Gut: Is There a Difference?
24 Jan 2023
Contributed by Lukas
You have likely observed that humans, especially overweight humans, come in a variety of shapes and sizes. We all know that excess body fat is not a g...
What's so toxic about wheat?
16 Jan 2023
Contributed by Lukas
In this episode of the Defiant Health podcast, let’s talk about this destructive thing in the human diet called wheat. Those of you familiar with my...
Five Things Cardiologists Won't Tell You
21 Dec 2022
Contributed by Lukas
In this episode of the Defiant Health podcast, let me tell you about five things cardiologists will not tell you about heart health. Having practiced ...
What is Gut to Glow?
11 Dec 2022
Contributed by Lukas
In this episode of Defiant Health, I’d like to talk about the unique oral skin health product I formulated called Gut to Glow.Some of you may know t...
Will my programs make you younger?
02 Dec 2022
Contributed by Lukas
There are a number of factors that drive aging. Among the most important are inflammation, insulin resistance, glycation, endotoxemia, and hormonal se...
Interview with JJ Flizanes on Emotional Healing
16 Nov 2022
Contributed by Lukas
In this episode of Defiant Health, I’ve brought empowerment strategist JJ Flizanes back for a second interview. Because JJ brings such high energy a...
Beat Your Sugar Cravings
06 Nov 2022
Contributed by Lukas
There is no shortage of silly advice on how to reduce sugar cravings, the seemingly irresistible desire for something sweet. “Eat just a little,” ...
A Short History of Iodine
27 Oct 2022
Contributed by Lukas
I’ve previously discussed this important micronutrient, iodine, but I fear the message has not gotten through to many people. So let’s tackle it a...
Interview with oral microbiome champion, Dr. Debbie Ozment
18 Oct 2022
Contributed by Lukas
In this episode of Defiant Health, I interview Oklahoma dentist, health and wellness coach, and advocate of managing the oral microbiome, Dr. Debbie O...
Love Ain't What It Used To Be
03 Oct 2022
Contributed by Lukas
In this episode of Defiant Health, I’d like to talk about how the intensity of love, affection, and other emotions and social interactions have lost...
What's Missing From Dietary Guidelines
24 Sep 2022
Contributed by Lukas
In this episode of Defiant Health, let’s discuss how the U.S. Dietary Guidelines for Americans got a lot of things wrong. Of course, I have previous...
Everything You Wanted to Know About Constipation But Were Afraid to Ask
11 Sep 2022
Contributed by Lukas
In this episode of Defiant Health, let’s clear up some misconceptions about the common problem of constipation, an issue that plagues around 10-20% ...
New Microbiome Insights Into Repeated Urinary Tract Infections
30 Aug 2022
Contributed by Lukas
In this episode of Defiant Health, let’s talk about some new insights into a very serious issue that afflicts many females: repeated urinary tract i...