Friday Favorites: Extra Virgin Olive Oil for Arthritis
What happened when topical olive oil was pitted against an ibuprofen-type drug for osteoarthritis and rheumatoid arthritis?
Apr 11, 2025•6 min
NutritionFacts.org Video Podcast
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
Lesser-Known NAD+ Boosting Supplements—Tryptophan, NADH, NMNH, and NRH
What are the pros, cons, and efficacy of dihydronicotinamide riboside (reduced NR), perhaps the most potent NAD+ precursor, as well as reduced NMN, taking NAD+ directly, or making it from scratch from tryptophan?
Apr 09, 2025•6 min
Risks and Benefits of Nicotinamide Mononucleotide (NMN), a NAD+ Booster
NR may just be a waste of money, safe but ineffective. NMN seems similarly useless in humans, but it may not even be safe.
Apr 07, 2025•8 min
Friday Favorites: Foods That Heal and Prevent Leaky Gut
Common drugs, foods, and beverages can disrupt the integrity of our intestinal barrier. Which foods should we avoid to prevent leaky gut? Which foods and food components can boost the integrity of our intestinal barrier?
Apr 04, 2025•10 min
Risks and Benefits of Nicotinamide Riboside (NR), a NAD+ Booster
The suppression of NAD+ synthesis by NR in humans may explain the disparate rodent results.
Apr 02, 2025•6 min
Risks and Benefits of Nicotinamide (NAM), a NAD+ Booster
The metabolism of NAM may deplete our methylation capacity, interfering with the normal metabolism of hormones and neurotransmitters, and produce a neurotoxic compound in the process.
Mar 31, 2025•5 min
Friday Favorites: Are Onions Beneficial for Testosterone, Osteoporosis, Allergies, and Cancer?
What did randomized controlled human trials find about the ways we may—or may not—benefit from eating onions?
Mar 28, 2025•5 min
Risks and Benefits of Nicotinic Acid (NA), a NAD+ Booster
Given niacin’s decades of use as a cholesterol drug, we have a good idea of its safety profile.
Mar 26, 2025•5 min
Friday Favorites: The Dangerous Effects of Heavy Metal Music
How might we moderate the rare but very real risk of headbanging?
Mar 21, 2025•8 min
Do NAD+ Levels Decline with Age?
What is NAD+ and what role does it play in the aging process?
Mar 19, 2025•7 min
Who Is Rescuing Whom? Pets and Life Extension
Do pet parents (or pawrents) live longer?
Mar 17, 2025•5 min
Friday Favorites: Cannabis for Inflammatory Bowel Disease (IBD)
Even though using cannabis may help with IBD symptoms in the short-term, it may make the long-term prognosis worse.
Mar 14, 2025•8 min
Nitrates in Food to Help Fight Respiratory Tract Infections
Perhaps it’s no coincidence that an infusion of spinach leaves has evidently been used since ancient times to treat respiratory symptoms.
Mar 12, 2025•5 min
The Benefits of Saffron for Treating Age-Related Macular Degeneration
Eight threads of saffron a day can improve visual acuity in older adults with mild or moderate age-related macular degeneration.
Mar 10, 2025•5 min
Friday Favorites: Mushrooms for Prostate Cancer and Cancer Survival
Did the five randomized controlled trials of reishi mushrooms in cancer patients show benefits in tumor response rate, survival time, or quality of life?
Mar 07, 2025•10 min
What Is Essential Hand Tremor and How to Prevent and Treat It
What is the role of dietary beta-carboline alkaloids in the development of the most common movement disorder?
Mar 05, 2025•7 min
Microbiome Manipulation with Oligomannate for Treating Dementia
A prebiotic derived from a type of brown seaweed is used for mild to moderate Alzheimer’s dementia in China. Does it work?
Mar 03, 2025•5 min
Friday Favorites: How Useful Is Personalized Nutrition?
Perhaps it should be less about personalized nutrition and more about taking personal responsibility for our own health.
Feb 28, 2025•6 min
Causes, Prevention, and Treatment of Varicose Veins
Perhaps Ugandans had more than 50 times fewer varicose veins for the same reason they had 50 times less heart disease and up to 50 times less colon cancer.
Feb 26, 2025•6 min
Do Ashwagandha, Ginseng, and Maca Root Have Benefits for Female Sexual Dysfunction?
Which of these three works, which doesn’t, and which may be too toxic to take safely?
Feb 24, 2025•6 min
Friday Favorites: The Effects of Cleaning Products and Air Fresheners on Lung Health
There is a reason the Centers for Disease Control and Prevention prohibit not only smoking, but also scented or fragranced products in its office buildings.
Feb 21, 2025•5 min
Fecal Transplant Experiments Show the Microbiome’s Role in Aging
Centenarian stool has anti-aging effects when fed to mice.
Feb 19, 2025•6 min
Anti-Inflammatory Foods: The Benefits of Berries
Which fruits have anti-inflammatory effects and which do not?
Feb 17, 2025•8 min
Friday Favorites: Can Cholesterol Get Too Low?
Why might healthy lifestyle choices wipe out 90 percent of our risk for having a heart attack, whereas drugs may only reduce risk by 20 to 30 percent?
Feb 14, 2025•7 min
Melatonin Supplements for Sleep and Anti-Aging?
The secretion of melatonin appears to progressively decline with age, dropping as much as 70 percent between middle and older age.
Feb 12, 2025•5 min
The Best Foods for Your Skin
Greens, apples, tomato paste, and grapes are put to the test as edible skin care candidates.
Feb 10, 2025•7 min
Friday Favorites: The Benefits and Side Effects of Moringa Leaf Powder
Does the so-called miracle tree live up to the hype? Do I recommend it?
Feb 07, 2025•10 min
Supplements for Sarcopenia (Age-Related Muscle Loss)
HMB, magnesium, omega 3s, and vitamin D are put to the test for muscle strength and function.
Feb 05, 2025•5 min
Obesity: Is a GLP-1 Deficiency Its Cause, and How to Treat It Without Ozempic and Other Drugs
What is a safer and cheaper way to lose weight than GLP-1 drugs?
Feb 03, 2025
Friday Favorites: The Scientific Consensus on a Healthy Diet
The leading risk factor for death in the United States is the American diet.
Jan 31, 2025•5 min
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