Answers to featured health and nutrition questions provided by Michael Greger M.D. FACLM and the NutritionFacts.org Volunteer Moderators. Questions are taken from the video and blog comments throughout the site. Join in the discussion to get your question featured!


Can diet be used to treat kidney cancer?

I've been diagnosed as follows: Papilary renal cell carcinoma. The carcinoma is metastatic (Stage IV). Wondering if you have any subscribers know of anyone who have beaten this type / stage of metastatic cancer using diet? Any advice you have would be...

Didn’t another study show carnitine was good for the heart?

Please take a look at yet another study ("L-Carnitine in the Secondary Prevention of Cardiovascular Disease: Systematic Review and Meta-analysis") (http://www.medpagetoday.com/upload/2013/4/12/jmcp_ft88_4_2.pdf)...is this a case where the substance (LCar) itself is beneficial, but the by-products of its beakdown by gut flora are not?...

What about the “cholesterol myth”?

I would love to see more debate with regard to...cholesterol/saturated fat proponents (Gary Taubes, for example). I don't know how many times people have recommended I read Taubes books....Just look at the reviews on Amazon for Johnny Bowden's The Great Cholesterol Myth!...

Might too many antioxidants cause cancer?

Could you please comment on the recent statement by James Watson (DNA discoverer) that antioxidants can actually cause cancer. pprender / Originally Posted in Maxing Out on Antioxidants Answer: The full-text of Jim Watson's article can be found here. As you can see,...

Which foods have the most potassium?

can you provide a link to the data on potassium levels of various foods? Charlene / Originally Posted in Potassium and Autoimmune Disease Answer: If you're looking for the most concentrated sources of potassium, click here. So the next time you see me do a...

Do microgreens have more nutrition?

What about microgreens? vetstud  / Originally Posted in Antioxidants Sprouting Up Answer: USDA researchers recently published a study assessing the nutrition content of 25 commercially available microgreens, seedlings of vegetables and herbs that have gained popularity in upscale markets and restaurants. Just...

Any update on the scary in vitro avocado data?

any updates on avocados in vivo? Toxins  / Originally Posted in Are Avocados Bad for You? Answer: I'm happy to report that a new study this year found avocado consumption associated with significantly reduced prostate cancer risk (a third cup of avocado...

What do you drink, Dr. Greger?

Dr. Greger ~ Are you still drinking that yummy Hibiscus Tea? (I did not see it in your "morning mix"!) Kenton R. Mullins  / Originally Posted in A Better Breakfast Answer: A half gallon a day Kenton! I no longer do the teabags,...

What are “normal” human vitamin D levels?

I assume the lifeguards were caucasian? With a “built in” SPF of 15 what blood level of Vit D does the lifeguard of African descent attain? Perhaps that is a better clue for evolutionary “normal”. CapeBreton / Originally Posted in Evolutionary argument for...

What do you think of durian fruit?

Dr. Greger, have you ever eaten a durian fruit? They are so fascinating, though I’ve never seen a real one. Kevin McCaffrey / Originally posted on the NutritionFacts.org Facebook page Answer: Durians have to be the most badass of fruits. Imagine a 5 pound football...

Are neurotoxins only present in blue-green algae?

As you have reported, the effects of animal based omega-3 supplements can prove to be ironically, inflammatory. While you recommend utilizing algae as an alternative, is there concern over the neurotoxins (as you have discussed in other videos as present in spiralina),...

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