How to Evaluate a Skin Care Study

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With more and more readers subscribing (thank you!), I am always happy to hear from such well-informed, well-read men and women.  Recently, many of you have been forwarding me studies and asking me if I could report on them in-depth on the blog.  And while I am happy to oblige, I think that Chinese proverb applies best here: “Give a man a fish, and you feed him for a day; teach a man to fish, and you feed him for a lifetime.” Always remember:  Not all studies are created equal.  Not even all published studies.  For... read more

Vitamin D: What’s the Big D, Anyway?

Cornflakes are often enriched with vitamin D.

Cornflakes are often enriched with vitamin D. You know something is going on with a vitamin if it has become so fashionable Vogue is featuring it on its cover (February 2009, in case you’re looking). Sure enough, the National Institute of Health (NIH) Office of Dietary Supplements is currently reviewing its recommendations for vitamin D intake for adults, and no wonder: it seems that approximately half of us in the northeast simply aren’t getting enough vitamin D. An editorial in The New England Journal of Medicine reports that... read more