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 ...

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 ...

There are two types of people in this world: those of us who crack our knuckles and those who absolutely despise it. For many years, the debate on whether popping your joints is good or bad has raged ...