I am a physician, and was surprised by the NY Times article. Here is a review of older literature you might find helpful: http://www.ncbi.nlm.nih.gov/pubmed?t

I am a physician, and was surprised by the NY Times article. Here is a review of older literature you might find helpful: http://www.ncbi.nlm.nih.gov/pubmed?term=10796827 http://www.ncbi.nlm.nih.gov/pubmed?term=10796827