And he calls exercise the single most potent medical intervention ever known. Euan Ashley, so good to have you on the "News Hour." You are undertaking this massive multidisciplinary study to ...

It owns the biggest U.S. health insurer, and has expanded into almost every corner of the medical field.

Already, nearly 4 in 10 physicians use AI, according to a recent survey from the American Medical Association. But for the most part, doctors are using AI all wrong. Doctors typically employ ...