Okay, I'm 37 and for much of my life I thought I was a freak. I started cracking my knuckles when I was 5 and as the years went by I figured out how to crack each finger and thumb about 4 different ways, went on to start cracking my wrists, knees (2 different ways), toes, both sides of my jaw, elbows, and shoulders. On a humid day, it's an obsession and I just cannot stop. I do suffer from sore hands if it's muggy out but I can't stop. My Jaw has been a problem though. Has anyone else experienced jaw problems as a result of cracking?
Anyway, so glad to know there are others out there like me!!