Cracking your back or neck might provide quick relief and a satisfying popping noise — but is it a safe practice? "When you stretch or manipulate your spine, such as by twisting or bending, the ...

Cracking your knuckles is an oddly divisive habit; it might make you cringe or it might bring you satisfaction. But what happens to your body when you do it?

Joint cracking is one of those habits most of us acquire without thinking about it. A knuckle popped mid-sentence. A back twisted as we stand up. A neck gently crunched while the kettle boils. It is ...