What Is Narcolepsy? Narcolepsy (NAR-ko-lep-se) is a disorder that causes periods of extreme daytime sleepiness. It also may cause muscle weakness. Rarely, people who have...
Obsessive-Compulsive Disorder
It’s normal, on occasion, to go back and double-check that the iron is unplugged or your car is locked. But in obsessive-compulsive disorder (OCD), obsessive...
Pain Disorder
Panic disorder is characterized by the spontaneous and unexpected occurrence of panic attacks, the frequency of which can vary from several attacks a day to...
Paranoid Personality Disorder
Paranoid Personality Disorder is a psychiatric diagnosis characterized by paranoia characterized by a pervasive and long-standing suspiciousness and generalized mistrust of others (DSM-IV). For a...