If you're a kid, chances are you either crack your knuckles or know someone who cracks theirs. You might have been told (by annoyed parents, perhaps?) that you'll develop arthritis if you keep up such ...

I was seven years old when I first saw someone with severe rheumatoid arthritis. I had just met one of my grandmother’s cousins, whose swollen joints and gnarled fingers fascinated and terrified me. I ...

Nearly all of us have experienced our joints ‘pop’ at some point in our lives. Whether it was from cracking our knuckles, getting adjusted by a chiropractor, or the inadvertent sound that sometimes ...

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 ...

Maybe you've cracked your knuckles before or you do it all the time. Perhaps you know someone else who does it habitually. Have you ever wondered what exactly is happening to make that sound? While it ...

A bit of relief, or maybe just a force of habit: We’re separating fact from fiction about what happens when you crack your knuckles and other joints. * It all has to do with the “synovial fluid” in ...

Good morning. I'm Noel King with the answer to a mystery that has puzzled scientists and kids for years. When we crack our knuckles, why do they make that popping sound? A grad student in France, ...

Dominic has a degree from the University of Winchester in film production and is currently studying for his second degree in biology at the Open University. Dominic has a degree from the University of ...

The reason why knuckles pop or crack when stretched is largely a mystery, but a recent study claims it's because of popping fluid bubbles. When these bubbles collapse or even partially collapse in a ...