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

Might too many antioxidants cause cancer?

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...

Which foods have the most potassium?

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: The new USDA National Nutrient Database for...

Do microgreens have more nutrition?

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...

Any update on the scary in vitro avocado data?

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...

What do you drink, Dr. Greger?

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...

What are “normal” human vitamin D levels?

What are “normal” human vitamin D levels?

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”.

What do you think of durian fruit?

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.

Are neurotoxins only present in blue-green algae?

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...

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