It might make you cringe, or it might bring you sweet, satisfying relief. Cracking your knuckles is one of those oddly divisive habits. Some people do it absentmindedly, while others can't stand ...

Whether it’s one or all of your knuckles, you may wonder what causes the cracking sound. Although interesting, “cracking joints” and “popping knuckles” are not fully understood.

An curved arrow pointing right. What's actually going on inside your joints when you crack your knuckles? Follow BI Video: On Twitter More from Science What's actually going on inside your joints ...

An curved arrow pointing right. Your parents said it was bad for you, and you kept on doing it. Guess what? You were right! Here's what's really going on. More from Science Your parents said it ...

No matter what virus you’re hoping to avoid, washing your hands with soap for at least 20 seconds is always the better defense. Crack, crack. The sound of popping knuckles — known medically as ...

Dr Chris van Tullekan questions that piece of perennial parental advice: don’t crack your knuckles or you’ll get arthritis! One researcher, Dr Donald Unger, actually cracked the knuckles of ...