Medically reviewed by Brigid Dwyer, MD Key Takeaways Involuntary muscle movements happen when your body moves without you intending it, like with tics or tremors.  The causes of involuntary movements ...

Tourette syndrome campaigner John Davidson has explained he left the British Film and Television Awards (BAFTAs) ceremony early on Monday night, aware his outbursts were causing distress. Davidson was ...

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 ...