Ask the Doctor: Q&A with Dr. Greger

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!


Q: Is the plastic chemical BPA really harmful to your health?

Plastics Harmful to Health

I wish you had links to the studies. My dad thinks the whole BPA issue is a hoax (and human-caused climate change, too, if you can believe it). But, he claims to be a scientist, so putting a few good studies in his hands would help. Oh, he also doesn’t think there is an obesity epidemic in...

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Q: Is titanium dioxide in Daiya cheese harmful as a food additive?

Is Titanium Dioxide Harmful

I can’t believe this preservative is still allowed on store shelves!!! I am glad I refused to buy products with this additive in it, but it sure is ubiquitous. I notice that the vegan cheese by Daiya has titanium dioxide in it, and I’m concerned about how that might act within the body or react...

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Q: Is wheatgrass superior to any other green?

Wheatgrass versus Dark Leafy Greens

I am a fan of wheatgrass shots. Everything I have read about their benefit points to the high chlorophyll content. So I am wondering, is there any difference between wheatgrass and just plain dark leafy greens? If it is the chlorophyll that we are after, then why not just use dark leafy greens...

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Q: How much cruciferous is too much?

Too Much Cruciferous

Do you consider 10 cups of cruciferous too much a day? Is there a link between them and inflammation?

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Q: Are kimchi and sauerkraut harmful?

Are Kimchi and Sauerkraut Harmful

Is there more information about this? Is this traditionally made kimchee rather than kimchee made in a manner similar to that of making sauerkraut? For that matter what about sauerkraut and other pickles?

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