The health secretary, Robert F. Kennedy Jr., has tapped into an old debate about how much doctors should know about nutrition. But some of his ideas, and tactics, concern medical experts.

A small stable of doctors gave V.I.P. medical services to the sex offender and the women around him. Some doctors bent or ...

Cortisol mobilizes sugar for you while insulin stores sugar. When you don’t have enough of it, you end up with low sugar and, ...

Scientists are still trying to identify what a healthy gut microbiome looks like, but new research may offer a clue.

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