Nutrition FAQs

Hi there Dr. Greger. I was wondering, in the Colacino study it says, “Vegetable consumption was also significantly associated with MEP levels, which was one of the strongest effects measured.” I don’t mean to detract from your message about poultry, which I...

In some instances I’ve read about deleterious results (gastric and skin cancers) from capsaicin and hot peppers. See, for example this research: http://aje.oxfordjournals.org/content/139/3/263.short; http://www.sciencedaily.com/releases/2010/09/100902121057.htm Dr. Greger, can you help in clearing up this confusion and debate?  maybush1 / Originally posted on Are Chili Peppers Good...

I have read that new research says cabbage can be good against certain cancers but I don’t remember if breast cancer is one. Both of my grandmothers had breast cancer so I am VERY interested in breast health. Thank you for this...

Thermography is the new early detection method. Check it out. Damian / Originally commented on Cancer prevention and treatment may be the same thing Answer: Unfortunately, thermography alone may have a sensitivity of only about 83% in detecting breast cancer (according to the latest review)....

Does “organic” chicken fare any better? Kristen / Originally posted in Dr. Oz, apple juice, and arsenic: chicken may have 10 times more Answer: Great question, Kristen! In a survey of arsenic levels in U.S. chicken, while nearly three-quarters of the breasts, thighs and livers...

I have just posted some of your recent B12 videos on facebook to try and help my friends who refuse to accept the need to have an intake of B12 on a vegan diet. Most are convinced their ‘friends’ have been told...

What would you suggest as an ideal omega 3,6,9? Eric / Originally asked on Avoiding Cholesterol is a No Brainer Answer: I try to think in terms of whole food sources rather than nutrients (have you read The China Study? It has a...

  Cocoa comes from the cacao bean, and like other beans, has wonderful health-promoting flavanol phytonutrients, like in green tea.   What Are The Health Benefits of Cocoa? Lowers blood pressure Lowers bad cholesterol Boosts good cholesterol Unstiffens arteries Boosts the immune...

I recommend: at least 2,000 mcg (µg) cyanocobalamin once each week, ideally as a chewable, sublingual, or liquid supplement taken on an empty stomach or at least 50 mcg daily of supplemental cyanocobalamin (you needn’t worry about taking too much) or a...

I have read that D3 (cholecalciferol) is the better source of vitamin D. Can you please clarify? Jen Ferdinand / Originally asked in Vitamin Supplements Worth Taking Answer: Such a good question! Taken daily in doses under 2000 IU, vitamin D2 (ergocalciferol) and...