We still don't know what causes the bizarre affliction, or how many people have it. Characterized by uncontrollable behaviors and widespread misconception, as little as 20 years ago many didn't even know it existed. More »
James Fussell is a writer for The Kansas City Star. He is the co-author of Ticked: Ticked: A Medical Miracle, A Friendship and the Weird World of Tourette Syndrome.
Sign up to receive our free newsletters