QuickCheck: Was a treatment for a fictional medical condition in a movie used to treat a real medical situation?

Drew Barrymore (left) and Adam Sandler in a scene from the movie "50 First Dates", a romantic comedy about Lucy, a high school art teacher with a unique neurological disorder that causes her memory to be erased overnight, every night, and Henry, a marine life veterinarian, who falls for her and is forced to woo her all over again every day.

IF YOU are an avid movie-goer, you would enjoy scenes brought to life by the director, as he or she tries to recreate scenes that are close to the actual events that happened.

(Read: Christoper Nolan's Oppenheimer).