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!


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...

Aren’t all studies funded by corporations biased?

If they received "grant money from a kiwifruit company", then why is their study any less biased than those studies you previously referred to that were funded by the salt or dairy or meat companies. Isn't the whole purpose of science to...

Boric acid for vaginal yeast infections?

I have [had vaginal yeast infections] for years now (comes and goes). For almost a year I am vegan. My diet is nutrition dense, whole foods and no processed foods, but I still have vaginal discharges, sometimes very heavy. I rarely drink...

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: The new USDA National Nutrient Database for Standard Reference is now out! Our tax dollars hard at work to analyze...

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...

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