RFK Jr. issues sharpest ultimatum yet to medical schools: “Start teaching nutrition now or face penalties!” Fast-food outlets continue to abound in teaching hospitals; Once serious causes of flank pain are ruled out, patients are often left to fend for themselves; Potatoes don’t increase risk of diabetes—unless you eat French fries; Deep-frying in seed oils can yield harmful byproducts—but so, too, when you substitute with lard; As doctors get more aggressive treating blood pressure, how to minimize medication side effects; New study shows beetroot juice can lower BP by 7 points.