Add Yahoo as a preferred source to see more of our stories on Google. Alien (left) and elderly woman holding her hand (right) ET, phone 911. Imagine sitting at home on your couch when one of your ...

When the aging brain misfires, the results can be astonishing and a little alarming.

A 55-year-old patient who was right-handed consulted a neurologist for episodes of inter-manual conflict due to uncontrolled movements of his left hand, marked by involuntary movements of his left ...