SACRAMENTO, Calif. – Snap, crackle, pop. If you’re a knuckle cracker, that familiar sound when you consciously pop your joints is like comfort food. You know it might not be so healthy for your hands ...

2. The Secret of the Popping Sound We’ve all done it, sitting idle, stressed, or just bored, we twist our fingers till they pop! Some find it relaxing, others find it annoying. But have you ever ...

From fingers and toes to necks and knees, everyone knows a “cracker.” Up to 45% of people do it. And most habitual joint poppers have heard rumors their habit may cause arthritis. But are those rumors ...

Scientists think they may have solved an old question about the cracking of knuckles: Why does it make that sound? The crack apparently comes from a bubble forming in the fluid within the joint when ...

Whether you love it or hate it, cracking knuckles is a common habit we've likely all done at some point. It's one of life's simple pleasures for some people, who crave the satisfying "pop" and ...

Some people like the sound of knuckle-cracking and others loathe it, but for years there has been disagreement among scientists about what actually causes it. Researchers said on Wednesday they have ...