The once-athletic Angel, 23, suffers from episodes of muscle pain so severe she often can't move. As she begins a nur...

The parents of bright and charming, Sadie, 7, seek alternatives to the devastating brain procedure doctors propose to...

Day by day, Willie, 46, loses pieces of himself. He has memory loss, seizures, mood sings, a brain lesion -- but no d...

Six-year-old Kamiyah suddenly and briefly go limp dozens -- sometimes hundreds -- of times a day. Now the search is o...

Lashay, 17, can't hold anything down that she eats or drinks. But negative interactions with previous doctors leave h...

Matt, 20, experiences fainting spells that stop his heart, each one preceded by a sense of déjà vu. But is the issue ...

Two very different people are desperate for a diagnosis to their unexplained paralysis: textbook "good patient" Joe, ...