The recent series of messages on health hooligans was something I’ve wanted to write about for a long time. No sooner did I finish it than I got an email from JAMA announcing an opinion piece on the low-fat diet we’ve been told to follow for over 40 years (1). I spent some time over the past few weeks checking the piece and the research behind it.

The opinion was written by an expert in endocrinology, a physician and researcher. He has the credentials. But he is one of a number of scientists who’ve become critics . . .

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