Nutrition Facts with Dr. Greger

Michael Greger, M.D. FACLM
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Jan 29, 2026 • 13min

The Dangers of Foodborne Pathogens

They break down why raw alfalfa sprouts and some seeds can carry salmonella and other bacteria. They compare contamination risks between sprouts, eggs, ground beef, and poultry. They explore links between contaminated chicken and E. coli urinary tract infections. They discuss pesticide spray water potentially spreading norovirus and ways to reduce produce microbial risk.
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17 snips
Jan 22, 2026 • 14min

What Is Actually in Meat?

Dr. Christine Dennis, a senior research scientist, dives into alarming revelations about meat and dairy contaminants. She delves into the connection between Mycobacterium avium paratuberculosis (MAP) and sarcoidosis, highlighting its presence in U.S. dairy products. Dennis also discusses the controversial use of the carcinogenic drug carbadox in pigs, revealing industry resistance to its ban. Furthermore, listeners are introduced to shocking findings about the composition of hot dogs and fast-food burgers, raising questions about food safety.
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Jan 15, 2026 • 10min

Dietary Solutions to the Climate Crisis

Explore how diet changes can combat climate issues while improving health. Discover recommendations to limit meat intake and embrace more legumes and produce. Learn about the alarming impact of livestock on biodiversity and soil health. Uncover the controversial discussion on crop nutrient decline and its implications. Finally, understand why increasing fruit and vegetable consumption is essential for nutrition, challenging the notion of supplements as a simple fix.
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10 snips
Jan 8, 2026 • 12min

Putting Celery to the Test

Is celery actually good for you? Crunch into the nutritional benefits and potential side effects of this crunchy vegetable. Learn about the concept of negative calorie foods and discover how certain foods might help you burn more calories than they contain. The discussion also highlights how even minimal physical activity significantly contributes to longevity. From the origins of the 10,000 steps goal to the comparative health effects of exercise versus medication, this conversation is packed with surprising insights.
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18 snips
Jan 1, 2026 • 16min

Antibiotic Resistance Is Futile and Dangerous

Dr. Christine Dennis, a Senior Research Scientist, discusses the troubling rise of antibiotic resistance stemming from agricultural practices. She highlights how antibiotic use in livestock creates superbugs that threaten public health. The conversation covers the surprising findings that vegans possess fewer antibiotic-resistance genes compared to meat-eaters. Dennis also shares alarming data on drug residues in meat and links between poultry consumption and urinary tract infections, urging a reevaluation of food safety and dietary choices.
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10 snips
Dec 25, 2025 • 12min

Q&A with Dr. Greger 15

This discussion dives into the intriguing world of psychedelic research, highlighting the challenges and future directions in placebo-controlled trials. There's a cautionary tale about hidden salt in 'whole food' products, emphasizing the importance of scrutinizing labels. Smoothies take the spotlight as a nutrient-packed breakfast choice, with tips on making them beneficial for health. Lastly, the need for innovative studies focused on diet's impact on chronic diseases reflects a passionate call to action for better dietary research.
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7 snips
Dec 18, 2025 • 10min

Health Effects of Food Additives

Dr. Christine Dennis, a Senior Research Scientist at Nutrition Facts, dives into the world of food additives, focusing on the controversies surrounding monosodium glutamate (MSG). She highlights MSG's potential to lower sodium intake and presents research showing that reactions to high doses are rare, primarily occurring without food. The discussion shifts to phosphate additives, revealing their links to serious health risks such as accelerated aging and increased mortality. The use of phosphates in food industries raises significant concerns for consumers, particularly those with kidney issues.
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5 snips
Dec 11, 2025 • 8min

What Is Lichen Planus and How to Treat It

Dive into the complexities of oral lichen planus, an inflammatory condition with no definitive cure. Discover how purslane, a nutritious edible plant, shows promising results in treatment while posing minimal side effects. Learn about the safety concerns associated with aloe vera when ingested, including serious health risks. However, topical applications of aloe vera emerge as a powerful option, especially for both oral and genital lichen planus. This exploration blends nutrition with innovative treatment possibilities.
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27 snips
Dec 4, 2025 • 15min

NutritionFacts Grab Bag 31

Christine Dennis, PhD, a senior research scientist at NutritionFacts.org, dives into the potential dangers of turmeric supplements, highlighting their link to liver toxicity. She explains that enhanced bioavailability through substances like piperine can raise health risks. Additionally, the discussion covers the environmental impacts of fish consumption, revealing how pollutants might offset their benefits. Dennis also warns about the neurotoxic risks associated with pawpaw fruit, linking it to serious neurological conditions. Culinary turmeric emerges as the safer alternative.
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Nov 27, 2025 • 8min

Plant-Based Kids (Part 2)

Christine Dennis, a senior research scientist and plant-based parent, shares her insights on raising plant-based kids. She discusses the suitability of well-planned diets throughout infancy and childhood, emphasizing the importance of breastfeeding and necessary DHA and B12 supplementation for vegan mothers. Dennis highlights key nutrients to monitor for veggie toddlers, such as vitamin D and iron, while reassuring listeners of the benefits, including lower LDL cholesterol levels. Her expert guidance ensures families can confidently navigate plant-based eating for their children.

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