Michael Holick's Book

来源: Lily168 于 2014-10-08 09:53:39 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (204 bytes)

"The Vitamin D Solution: A 3-Step Strategy to Cure Our Most Common Health Problems"

He writes about how to be out in the sun safely (to avoid skin cancer) and to get enough Vitamin D.

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