For some people, it is a way to focus, while for others, it is simply a nervous reflex that feels right. Yet it is also one of those habits that quickly draws stares and warnings from friends or ...

Cracking your knuckles may make a satisfying pop, but does it actually cause arthritis? Experts explain if the habit is ...

Almost everyone has an old wives’ tales about a health issue, from a grandmother, best friend, or Internet “wisdom.” In a ...