There’s a reference book called the Oxford Dictionary of Proverbs, which is how I know that it was some five-and-a-half centuries ago that a book first declared, “What you don’t know can’t hurt you.” ...

Strength training can be one of the best treatments for chronic knee pain. Here’s how to do it safely. By Hilary Achauer Caitlin Berzok used to be scared of strength training. She occasionally ...

CNN Chief Medical Correspondent Sanjay Gupta vividly remembers the day he impaled himself on a wrought iron fence. He had just turned 12, and he was running through the neighborhood when he ...