Just about everyone swears on occasion. But some people are cursed with a pathological need to curse—and uncontrollably shout obscenities every few minutes. Accompanied by a violent muscular tic, ...

Tic disorders are conditions featuring sudden, non-rhythmic movements or vocalizations. A formal tic disorder diagnosis is determined by tic frequency, duration, and type. Tics are non-rhythmic ...

Functional tics are dramatic, involuntary movements or sounds usually made in response to a trigger. While similar to other tic disorders, they have different causes and treatment options. Functional ...