Q&A with Dr. Greger 16
March 5, 2026
Consuming powdered green tea (matcha) is healthier than brewed tea because it includes the fiber and other compounds found in the discarded tea leaves, provided the source is Japanese to minimize lead exposure.
Are Keto Diets Good for Us?
February 26, 2026
Compared to low-fat diets, ketogenic (low-carb) diets resulted in participants losing fat-free mass (including muscle) rather than body fat, and low-carb diets were ranked the worst by the American Heart Association for heart health alignment.
Should We Drink Coffee?
February 19, 2026
Coffee consumption, independent of caffeine content, appears to boost autophagy and is associated with reduced mortality risk and protection against various chronic diseases, likely due to the polyphenol chlorogenic acid.
The Best Way to Cook Vegetables
February 12, 2026
Microwaving is the gentlest cooking method, preserving over 97% of vegetable antioxidants, while boiling results in the greatest loss (about 14% loss on average), though frying should be avoided due to added calories and toxic byproducts.
The Side Effects of Hormones in Dairy
February 5, 2026
Drinking cow's milk, which contains actual estrogen and progesterone from pregnant cows, causes rapid, measurable increases in estrogen levels and decreases in testosterone in men within an hour, while tripling various estrogens in prepubescent children.
The Dangers of Foodborne Pathogens
January 29, 2026
Raw alfalfa sprouts pose a significant food safety risk due to contamination with pathogens like Salmonella, and broccoli sprouts are suggested as a safer alternative due to lower contamination rates.
What Is Actually in Meat?
January 22, 2026
The bacterium *
Dietary Solutions to the Climate Crisis
January 15, 2026
Adopting a predominantly plant-based diet is presented as a 'win-win' solution that simultaneously addresses the climate crisis by reducing greenhouse gas emissions and improves personal health by lowering the risk of major diseases.
Putting Celery to the Test
January 8, 2026
Exercise provides a significant return on investment, with 20 minutes of activity potentially adding 60 minutes to one's life, offering a 3-to-1 return.
Antibiotic Resistance Is Futile and Dangerous
January 1, 2026
The widespread use of antibiotics in food animals, as highlighted in this episode of Nutrition Facts with Dr. Greger, fosters antibiotic resistance genes that can transfer to humans, and residues from these drugs and toxic metals may contaminate meat with serious health risks.
Q&A with Dr. Greger 15
December 25, 2025
The body is smart enough to regulate nutrient absorption based on need, making it feasible for a single meal, like a breakfast smoothie, to supply 100% of daily vitamin and mineral requirements.
Health Effects of Food Additives
December 18, 2025
Double-blind, placebo-controlled trials suggest that adverse reactions commonly attributed to MSG (monosodium glutamate) are largely a myth, with only 2 out of 130 self-reported sensitive individuals reacting when MSG was administered in a capsule (taste-masked).
What Is Lichen Planus and How to Treat It
December 11, 2025
Purslane, a common weed, appears to be the safest and most effective treatment for oral lichen planus when consumed, showing better results than steroids and immunosuppressants, though high consumption risks oxalate overload.
NutritionFacts Grab Bag 31
December 4, 2025
Farmed salmon generally contains significantly higher levels of industrial pollutants like PCBs and dioxins compared to wild-caught salmon, potentially counteracting the nutritional benefits of the fish.
Plant-Based Kids (Part 2)
November 27, 2025
Well-planned plant-based diets are considered suitable for infants and children by the American Academy of Nutrition and Dietetics, though specific nutrient supplementation (like DHA and B12 for breastfeeding mothers) is crucial.
Plant-Based Kids (Part 1)
November 20, 2025
Well-balanced plant-based diets during pregnancy are associated with a significantly lower risk of developing gestational diabetes and a 20% lower risk of hypertensive disorders like preeclampsia.
Treating Early- and Late-Stage Prostate Cancer
November 13, 2025
Greater consumption of a healthful, plant-based diet is associated with nearly halving the risk of getting prostate cancer and dying from it for men under 65, and significantly reduces the odds of developing high-grade prostate cancer.
How to Limit Pesticide Exposure
November 6, 2025
The association between vegetarian diets and hypospadias birth defects appears to be linked to higher exposure to conventional pesticides, as organic-eating vegetarian mothers showed no increased risk.
Don’t Milk It
October 30, 2025
The US milk supply has a high allowable somatic cell concentration (up to 750,000 cells/mL) due to a mastitis epidemic in dairy cows, reflecting widespread udder infection, though these cells are not strictly synonymous with pus.
The Pros and Cons of Coffee
October 23, 2025
The health benefits of coffee, attributed partly to chlorogenic acids, are highly dependent on the coffee bean selection and roasting process, as dark roasts can destroy up to 90% of these beneficial compounds.
More on NAD+ Boosting Supplements
October 16, 2025
NAD+ boosting supplements carry risks, including potential exacerbation of infections, autoimmune issues, and tumor promotion, necessitating caution, especially for those with cancer or inflammatory disorders.
Treating ADHD
October 9, 2025
Eliminating artificial food colors and the preservative sodium benzoate from children's diets significantly reduces hyperactivity, a finding supported by randomized, double-blind, placebo-controlled food challenges.
A Healthy Heart
October 2, 2025
Heart rate variability, which reflects the control of the vagus nerve over the heart, is a positive indicator of heart health, and low variability predicts a greater risk of heart disease and premature death.
Everything You’ve Always Wanted to Know About Antioxidants
September 25, 2025
Consuming whole foods, particularly fruits and vegetables, is crucial for obtaining beneficial antioxidants, as dietary supplements may be less effective or even detrimental to health.
More on Boosting NAD+
September 18, 2025
While NMN and NR are NAD precursors with some demonstrated benefits in rodents, human studies so far show limited efficacy and established safety for NMN is lacking.
Screening the Sunscreens
September 11, 2025
Protecting your skin from the sun is the most important practice for slowing skin aging, with daily sunscreen use (SPF 30+) and other protective measures being crucial.