Alien hand syndrome (AHS) is when a single limb, usually a hand but sometimes a leg, moves involuntarily. It can signify a serious underlying issue, such as stroke or neurodegenerative disease. Share ...

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 ...

An elderly woman believed she was possessed by ghosts when she saw her arm move on its own before doctors discovered she was actually suffering from an extremely rare condition. A 77-year-old woman ...