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!


Is it true that antioxidants can actually cause cancer?

Is it true that antioxidants can actually cause cancer?

Hi Dr. Greger, appreciate all your work. There's been a lot of bad news a about antioxidants recently. Should people be concerned about how much they ingest?  Ren / Originally posted in Acai to Zucchini: antioxidant food rankings Answer: Good question! There has been a buzz around...
What are the hazards of oxalates?

What are the hazards of oxalates?

CC / Originally posted in How to Prevent Kidney Stones with Diet You mention oxalates in other videos. But a vegan friend of mine has found that many of the veggies that are great sources of calcium are also high in oxalates....
Should I stay away from soy if I have breast cancer?

Should I stay away from soy if I have breast cancer?

I am now confused. I was told by my oncologist and internist to stay away from soy after I was diagnosed with breast cancer. My tumor was estrogen positive and I was told that soy mimics (or something to that affect) estrogen....
Should we take iodine supplements?

Should we take iodine supplements?

I've had a question regarding iodine for some time. As far as I know there are few options: - iodised salt - seaweeds - supplement I believe sodium-intake should be minimized, so that's a no. I've also read about many pollutants in...

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