Medically reviewed by Anju Goel, MD Numbness in the fingers often results from issues involving the nerves or blood vessels ...

These patients had sustained damage to their median nerve, which runs down the arm and provides motor and sensory links to ...

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 ...

The results? The cracking didn't cause any hand problems. In fact, in some patients, the crack increased the range of motion compared with knuckles that hadn't been cracked. So what causes a ...