NutritionFacts.org Video Podcast
By: Michael Greger, M.D. FACLM
Language: en
Categories: Health, Fitness, Nutrition, Alternative
Michael Greger, M.D. FACLM, founder of NutritionFacts.org and New York Times best-selling author of How Not to Die, How Not to Diet, and the just-released How Not to Age, brings you the latest in evidence-based nutrition research, delivered in easy to understand video segments. NutritionFacts.org is a non-profit and non-commercial public health organization, and more than 2,000 videos on virtually every aspect of healthy eating are available on our website. New videos and blogs are uploaded every day–always without any sponsors, ads, brand partnerships, or paid subscriptions.
Episodes
What Is the Best Statin Cholesterol-Lowering Drug?
Dec 15, 2025Which is the safest and most effective statin?
Duration: 00:04:45Friday Favorites: Soul Food That’s Good for the Soul
Dec 12, 2025The best of soul food’s origins are tied to the plant-centric West African diet.
Duration: 00:06:25The Side Effects of Statins: Are They Worth It?
Dec 10, 2025When statin-“intolerant” patients are challenged blindly, how many are really suffering muscle side effects?
Duration: 00:08:03How Effective Are Statins?
Dec 08, 2025How many people would die if we were told the truth about statins?
Duration: 00:07:12Friday Favorites: Can Velvet Beans or Fava Beans Help Treat Parkinson’s Disease?
Dec 05, 2025Since Parkinson’s is caused by a dopamine deficiency in the brain, what if we ate foods rich in the dopamine precursor levodopa?
Duration: 00:12:54Why Isn’t Everyone on Cholesterol-Lowering Statin Drugs?
Dec 03, 2025Since there is benefit to getting our LDL cholesterol as low as possible, why aren’t statins prescribed for everyone even if we start out with optimal levels?
Duration: 00:06:38Are the Pollutant Levels in Fish High Enough to Be Harmful?
Dec 01, 2025The tolerable daily toxin safety limits are based on single chemicals. What if “safe” levels of chemicals in seafood are combined and tested together?
Duration: 00:04:47Friday Favorites: Is Soy Milk the Most Nutritious Non-Dairy Milk?
Nov 28, 2025Soy milk is compared to other plant-based milks, as well as dairy milk.
Duration: 00:08:02Are Large Weekly Doses of Vitamin B12 Safe?
Nov 26, 2025Should we be concerned about getting too much B12?
Duration: 00:06:26How Much Vitamin B12 Do We Need Each Day?
Nov 24, 2025How are the recommended daily and weekly doses of vitamin B12 derived?
Duration: 00:04:31Friday Favorites: Low-Protein Diets for Parkinson’s Disease
Nov 21, 2025How might we maximize the therapeutic efficiency of levodopa?
Duration: 00:05:09The Best Source of Vitamin B12: Supplements, Shots, or Fortified Foods?
Nov 19, 2025Is it true we can actually absorb some B12 from our own microbiome?
Duration: 00:04:47The Best Way to Test for Vitamin B12 Deficiency
Nov 17, 2025A diagnosis of B12 deficiency should not be dismissed based solely on a single measurement of B12 levels in the blood.
Duration: 00:05:01Friday Favorites: Fat-Blocking Benefits of Hibiscus Tea
Nov 14, 2025What did a randomized, double-blind, placebo-controlled trial of hibiscus tea for weight loss find?
Duration: 00:04:41How Long Does It Take to Become Vitamin B12-Deficient and What Are the Symptoms?
Nov 12, 2025For those eating plant-based diets, encouragement of vitamin B12 supplementation cannot be overemphasized.
Duration: 00:04:47Ultra-Processed Foods: Concerns, Controversies, and Exceptions
Nov 10, 2025What is the role of ultra-processed plant-based products in the diet?
Duration: 01:02:12Friday Favorites: Bone Density, Fracture Rates, and Vitamin D in Vegans
Nov 07, 2025What are the bone fracture rates of omnivores vs. vegetarians vs. vegans? Low calcium intake plus low vitamin D exposure may explain higher bone fracture rates in British vegans.
Duration: 00:12:00Like Beet Juice, Taurine Supplementation May Only Be Safe in the Context of a Plant-Based Diet
Nov 05, 2025The adverse effects of taurine on our microbiome and hydrogen sulfide production may be ameliorated by diets high in fiber and low in saturated fats.
Duration: 00:06:39Where to Find Taurine and the Best Source
Nov 03, 2025I compare the cost, convenience, and safety of various plant, animal, and supplement sources of taurine.
Duration: 00:08:11Friday Favorites: How to Naturally Reduce Wrinkles with Food
Oct 31, 2025Almonds are put to the test in a randomized controlled trial for facial wrinkles.
Duration: 00:04:19The Best Daily Dose of Taurine
Oct 29, 2025Even researchers from the pro-taurine anti-aging study recommend against experimenting with taurine, but if you want to give it a try, what daily dose might be best?
Duration: 00:04:20Caveats and Side Effects of Taurine Supplements
Oct 27, 2025What are the downsides of taurine supplementation?
Duration: 00:05:05Friday Favorites: Can Stress Cause Halitosis (Bad Breath)?
Oct 24, 2025How can stress and menstrual cycles affect the smell of our breath?
Duration: 00:03:52Randomized Controlled Trials of Taurine Supplementation in Humans
Oct 22, 2025Cautionary tales from carnitine and arginine complicate the taurine supplementation question.
Duration: 00:06:56Taurine Supplementation Increases Lifespan and Healthspan in Animals
Oct 20, 2025The level of taurine in our bodies declines with age, dropping by nearly 80 percent. Would consuming extra improve lifespan or healthspan?
Duration: 00:05:13Friday Favorites: How to Treat Body Odor with Diet
Oct 17, 2025Deodorize from the inside out with food.
Duration: 00:06:02What Is Taurine in Energy Drinks? Does It Benefit Cognitive or Athletic Performance?
Oct 15, 2025We have at least pathways to make taurine in our body from scratch, but does taking more offer a benefit?
Duration: 00:04:42Can Goitrogens in Soy and Cruciferous Vegetables Interfere with Thyroid Function?
Oct 13, 2025What is the controversy over soy food consumption in those with subclinical hypothyroidism?
Duration: 00:04:55Friday Favorites: Is Swimming Good for Weight Loss?
Oct 10, 2025Exercising in cool water or under cool conditions on land can lead to an increase in post-workout calorie intake.
Duration: 00:04:49The Safety and Efficacy of Ketogenic, Low-Carb Diets for Diabetes Remission
Oct 08, 2025A meta-analysis of low-carb diets for diabetes remission found little to no effect at 12 months, clinically important harms to quality of life, and the deal-killer––an increase in LDL cholesterol.
Duration: 00:05:10The Benefits of Black and Green Teas for Brain Waves
Oct 06, 2025Of all the plants in the world, why has the tea plant become the most popular beverage in the world?
Duration: 00:03:23Friday Favorites: Does the Sweetener Allulose Have Side Effects? Is It a Healthy Sweetener?
Oct 03, 2025How safe are fourth-generation sweeteners, such as the rare sugar allulose? Are they healthy alternatives to traditional sweeteners?
Duration: 00:14:09Don’t Eat Raw Alfalfa Sprouts
Oct 01, 2025Broccoli sprouts don’t have the food safety risks of alfalfa sprouts.
Duration: 00:03:42What Are Hot Dogs and Burgers Made Of?
Sep 29, 2025How much of hot dogs and burgers is actual muscle meat?
Duration: 00:05:20Friday Favorites: Natural Dietary Remedy for Insomnia
Sep 26, 2025Lactucin, the hypnotic component of lettuce, is put to the test in a randomized, double-blind, placebo-controlled trial of lettuce seeds.
Duration: 00:05:50Yerba Mate and Cancer: Do Its Benefits Outweigh Its Risks?
Sep 24, 2025Carcinogens like benzopyrene in cigarette smoke, grilled chicken, and yerba mate tea may explain higher rates of certain cancers in consumers.
Duration: 00:02:18The Side Effects of the Hormones in Milk
Sep 22, 2025Within an hour of drinking dairy milk, blood levels of the estrogen estrone in men go up and testosterone goes down.
Duration: 00:05:04Friday Favorites: Fenugreek Benefits for Sexual Function, Painful Periods, and Milk Production
Sep 19, 2025The hormonal benefits of fenugreek extend beyond the muscle-bulking testosterone boost.
Duration: 00:04:07The Best Way to Cook Vegetables
Sep 17, 2025Which method of cooking vegetables preserves the most antioxidants?
Duration: 00:03:57Carbadox, the Carcinogenic Drug Fed to U.S. Pigs but Banned in Other Countries
Sep 15, 2025Carbadox, with its 97.9 percent likelihood of causing cancer in humans, is still being fed to pigs bound for the supermarket in the United States.
Duration: 00:03:11Friday Favorites: Fasting to Reverse Diabetes
Sep 12, 2025By losing 15 percent of their body weight, nearly 90 percent of individuals with type 2 diabetes for less than four years may achieve remission.
Duration: 00:07:02How to Prevent and Treat Age-Related Hearing Loss
Sep 10, 2025The diet and supplements that have been put to the test to prevent and even reverse hearing loss.
Duration: 00:56:04Who Should Avoid Coffee?
Sep 08, 2025There are certain medical conditions that are worsened by coffee intake.
Duration: 00:03:40Friday Favorites: The Role of Kimchi and H. Pylori in Stomach Cancer and How to Treat H. Pylori Naturally with Diet
Sep 05, 2025What explains the Achilles’ heel in certain Asian diets?
Duration: 00:12:05The Healthiest Way to Drink Coffee
Sep 03, 2025Why do those who drink filtered coffee tend to live longer than those who drink unfiltered coffee?
Duration: 00:03:57Does Coffee Help Boost Autophagy and Lifespan?
Sep 01, 2025In terms of longevity, three cups of decaf coffee appeared to be just as protective as three cups of regular coffee.
Duration: 00:05:14Friday Favorites: How to Keep Your Microbiome Healthy with Prebiotic Foods
Aug 29, 2025We co-evolved a symbiosis with our good gut bacteria, but we are not holding up our end of the bargain.
Duration: 00:03:37Preventing and Treating Sarcoidosis
Aug 27, 2025The cause of sarcoidosis is unknown, but new research indicates that mycobacteria, like MAP bacteria found in dairy and meat products, are likely involved in some sarcoidosis cases.
Duration: 00:05:20Reversing Early-Stage Prostate Cancer Progression with a Plant-Based Diet and Lifestyle Program
Aug 25, 2025A plant-based lifestyle is put to the test against early and late-stage cancer
Duration: 00:06:37Friday Favorites: Why Don’t Health Insurers Encourage Healthier Eating?
Aug 22, 2025Why don’t more big payors in healthcare embrace plant-based eating?
Duration: 00:04:39Turmeric Supplements and Liver Toxicity
Aug 20, 2025An increasing number of case reports have linked turmeric extract supplements to liver injury.
Duration: 00:05:09Are Environmental Toxins Lower in Wild-Caught or Farmed Fish?
Aug 18, 2025The adverse effects of industrial pollutants in seafood may counteract the benefits of nutrients in fish.
Duration: 00:04:46Friday Favorites: Do Vitamin C Supplements Help with Anxiety?
Aug 15, 2025What are the risks and benefits of using vitamin C for depression and anxiety?
Duration: 00:03:39The Benefits and Side Effects of Celery
Aug 13, 2025Can celery, a vegetable relatively high in sodium, lower blood pressure?
Duration: 00:04:26Can a Plant-Based Diet Reverse Type 2 Diabetes?
Aug 11, 2025Diet as a primary intervention for type 2 diabetes is the most effective in achieving remission when emphasizing whole, plant-based foods with minimal consumption of animal products.
Duration: 00:05:18Friday Favorites: The Best Poop Position for Constipation
Aug 08, 2025The Squatty Potty is put to the test.
Duration: 00:04:32Cancer from Benzene from the Preservative Sodium Benzoate in Beverages?
Aug 06, 2025Certain soft drinks and bottled (heated) carrot juice may contain carcinogenic levels above safety standards.
Duration: 00:02:38The Growth and Nutrient Intakes of Children Raised on Plant-Based Diets
Aug 04, 2025How can we plan well-balanced plant-based diets for infants and kids?
Duration: 00:07:16Friday Favorites: How Effective Is Chemotherapy? And How Much Does It Improve Survival?
Aug 01, 2025Most chemo drugs are approved by the U.S. Food and Drug Administration without evidence of benefit on survival or quality of life. If you put together all the new chemo drugs that had been approved over a dozen years, the average overall survival benefit is only 2.1 months.
Duration: 00:12:18Preventing Gestational Diabetes During Pregnancy with Diet
Jul 30, 2025Eating well-balanced plant-based diets during pregnancy can reduce risks of gestational diabetes and hypertensive disorders like preeclampsia.
Duration: 00:05:17Do Not Eat Pawpaws
Jul 28, 2025Pawpaw fruits, like soursop, guanabana, sweetsop, sugar apple, cherimoya, and custard apple, contain neurotoxins that may cause a neurodegenerative disease.
Duration: 00:05:29Friday Favorites: Micromorts – How Risky Is It to Go Under Anesthesia?
Jul 25, 2025A micromort as a unit of comparing and communicating risk to patients equivalent to a one-in-a-million chance of dying.
Duration: 00:05:01The Benefits of Purslane for Treating Oral Lichen Planus
Jul 23, 2025The weed purslane appears to not only be the safest treatment available for the autoimmune disease lichen planus, but the most effective, too.
Duration: 00:02:44Are the IQs of Vegetarian Children Higher?
Jul 21, 2025Are the higher IQs found in vegetarian children the result of confounding factors or reverse causation?
Duration: 00:02:32Friday Favorites: Mixed Nuts Put to the Test for Erectile Dysfunction
Jul 18, 2025Walnuts, almonds, and hazelnuts are put to the test for erectile dysfunction, sexual function, sperm count, and semen quality.
Duration: 00:04:59Is Soil Degradation Reducing the Nutrition of Fruits and Vegetables?
Jul 16, 2025Is the purported decline of nutrients in our crops due to soil degradation, or is that just supplement industry propaganda?
Duration: 00:03:54Drug Residues in Meat and Their Effect on Antibiotic Resistance
Jul 14, 2025What percentage of meat samples test positive for drug residue violations?
Duration: 00:04:16Friday Favorites: Do the Health Benefits of Peanut Butter Include Longevity?
Jul 11, 2025Why are nuts associated with decreased mortality, but not peanut butter?
Duration: 00:03:53Is Black Pepper Good for You?
Jul 09, 2025Typical daily doses of black pepper can affect the metabolism of certain drugs, so make sure you tell your prescribing health professional about your black pepper consumption.
Duration: 00:02:31How Much Caffeine Is Safe During Pregnancy?
Jul 07, 2025Pregnancy greatly reduces our ability to metabolize caffeine.
Duration: 00:04:16Friday Favorites: The Side Effects of 3-MCPD in Bragg’s Liquid Aminos and Refined Cooking Oils
Jul 04, 2025Chlorohydrin contaminates hydrolyzed vegetable protein products and refined oils.
Duration: 00:08:06Hepatitis E Virus in Pork
Jul 02, 2025At a retail level, about 10 percent of commercial pork products tested contain the hepatitis E virus.
Duration: 00:04:24Is MSG Bad or Good for You?
Jun 30, 2025Do the reactions ascribed to monosodium glutamate (MSG) represent a menace, myth, or marvel?
Duration: 00:03:54Friday Favorites: Pine Mouth Syndrome – Prolonged Bitter Taste from Certain Pine Nuts
Jun 27, 2025Why do some pine nuts cause a bad taste in our mouth that can last for weeks?
Duration: 00:03:34Mercury in High Fructose Corn Syrup
Jun 25, 2025There doesn’t appear to be any difference between the negative effects of high fructose corn syrup and table sugar on body fat, blood pressure, blood sugars, triglycerides, or cholesterol, but high-fructose corn syrup did appear to be more pro-inflammatory.
Duration: 00:03:38How Much Do Doctors Know About Nutrition?
Jun 23, 2025Who won in a head-to-head test of nutrition knowledge––doctors or patients?
Duration: 00:05:06Friday Favorites: Pomegranate – A Natural Treatment for Rheumatoid Arthritis and More
Jun 20, 2025Pomegranates are put to the test for weight loss, diabetes, COPD, prostate cancer, osteoarthritis, and rheumatoid arthritis.
Duration: 00:07:40Eliminating Heart Disease, the Number One Cause of Death
Jun 18, 2025What is the leading cause of heart disease, our leading cause of death?
Duration: 00:02:35Golden vs Brown Flaxseed: Which Has More Benefits?
Jun 16, 2025Which kind of flaxseed has more cancer-fighting lignans?
Duration: 00:04:10Friday Favorites: Why Don’t People Eat Healthier?
Jun 13, 2025The so-called optimism bias may get in the way of a healthy lifestyle.
Duration: 00:06:24Is One Egg a Day Too Much?
Jun 11, 2025Meta-analyses of studies involving more than ten million participants confirm that greater egg consumption confers a higher risk of premature death from all causes.
Duration: 00:03:43Diverticulosis Diet: Should Nuts, Seeds, and Popcorn Be Avoided?
Jun 09, 2025From a rarity to an epidemic disease, diverticulosis is a disease of fiber deficiency.
Duration: 00:04:09Friday Favorites: Should We Be Concerned About Ochratoxin and Aflatoxin?
Jun 06, 2025The overall cost-benefit ratio for mycotoxins depends on which food is contaminated. Is “toxic mold syndrome” real? And what do we do about toxic mold contamination of food?
Duration: 00:07:25The Highest Antioxidant: Apple, Bean, Berry, Lentil, or Nut?
Jun 04, 2025The best apple, bean, berry, lentil, and nut are the ones you’ll eat the most of; but if you don’t have a strong preference, which has the highest antioxidant power?
Duration: 00:02:58Is There Really Pus in Milk?
Jun 02, 2025What does the "milk pus test" tell us about the U.S. milk supply?
Duration: 00:04:48Friday Favorites: Onions Put to the Test for Losing Weight, Lowering Cholesterol, and Treating PCOS
May 30, 2025Let’s discuss weight loss, cholesterol, and PCOS treatment with diet. What can a daily eighth of a teaspoon of onion powder do for body fat, and what can raw red onion do for cholesterol?
Duration: 00:05:37Pros and Cons of Raw Food Diets
May 28, 2025Is there an advantage to eating a raw plant-based diet over a diet of raw and cooked whole plant foods?
Duration: 00:04:43Perceptions of Childhood Obesity and Diet Quality
May 26, 2025One reason kids may not be eating more healthfully is that their parents vastly overestimate the quality of their child’s diet.
Duration: 00:03:24Friday Favorites: Animal Protein vs. Plant-Based Protein
May 23, 2025I discuss a public health case for modernizing the definition of protein quality.
Duration: 00:04:17Pesticide Exposure and Hypospadias Birth Defects in Vegetarians
May 21, 2025What role do vegetarian diets and organic foods play in the prevention or promotion of a birth defect called hypospadias?
Duration: 00:04:26Food Poisoning: Causes and Prevention
May 19, 2025Why do contaminated poultry products cause the most foodborne deaths?
Duration: 00:06:43Friday Favorites: How to Increase Your Life Expectancy by 12 to 14 Years
May 16, 2025What can physicians do to promote healthy, life-extending, lifestyle changes?
Duration: 00:06:43How to Slow Cancer Growth
May 14, 2025At this very moment, many of us have tumors growing inside our bodies, so we cannot wait to start eating and living more healthfully.
Duration: 00:06:30How to Get Enough Polyphenols for Life Extension
May 12, 2025Is the link between flavonoid consumption and longevity cause-and-effect, and are all sources of flavonoids equally healthy?
Duration: 00:04:44Friday Favorites: Are Baruka Nuts the Healthiest Nut?
May 09, 2025How do barukas, also known as baru almonds, compare with other nuts?
Duration: 00:05:03The Effects of Hormesis from Low-Dose Radiation on Life Extension
May 07, 2025Our bodies are exposed to about 20,000 hits of radiation from cosmic rays every second. Is that good or bad?
Duration: 00:04:43Choosing the Safest and Most Effective Sunscreen (webinar recording)
May 05, 2025Has sunscreen been proven to prevent skin aging and cancer?
Duration: 00:56:35Friday Favorites: Foods That Cause Inflammation and Those That Reduce It
May 02, 2025Inflammatory markers can double within six hours of eating a pro-inflammatory meal. Which foods are the worst, and which ones reduce inflammation? What does an anti-inflammatory diet look like?
Duration: 00:09:20The Benefits and Side Effects of Red and Green Rooibos Teas
Apr 30, 2025Is green rooibos (analogous to green tea) healthier than red rooibos, the commercially more common oxidized form that’s akin to black tea?
Duration: 00:04:23The Side Effects of Artificial Food Coloring and Dyes: Cancer and ADHD
Apr 28, 2025Excluding artificial food colors from children’s diets can improve ADHD symptoms.
Duration: 00:04:28