This Man Has The Same Laughing Disease As The Joker

Scott Lotan, a man from Virigina Beach USA, suffers from Pseudo-Bulbar Affect, PBA for short. PBA causes outbursts of uncontrollable laughing, regardless of how a person is actually feeling. It can develop in people with certain neurological conditions, including strokes, Alzheimer's and traumatic brain injuries. Watch our video to learn more!