He conducted the study on himself. Over his lifetime, he regularly cracked knuckles only of one hand. He then performed an x-ray on himself after a decade. He found no difference in arthritis ...

One researcher, Dr Donald Unger, actually cracked the knuckles of his left hand at least twice a day for over 50 years whilst never cracking those on his right hand in order to prove his mother ...

Brass knuckles are usually a single set of rings that fits on someone’s hand. A punch can inflict serious injuries. “If you ask everybody out here, probably they’d all say brass knuckles are ...

After visiting A&E, an X-ray revealed that he has dislocated two knuckles and has also suffered ligament damage in one of his ...