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 ...

Chronic motor tic disorder is a condition that involves brief, uncontrollable, spasm-like movements or vocal outbursts (called phonic tics), but not both. If both a physical tic and vocal outburst are ...

Tic disorders are conditions involving your nervous system. They cause you to make repetitive, sudden, rapid sounds or movements, and you may struggle to control yourself when they happen. These ...

Phil Goldstein is a former web editor of the CDW family of tech magazines and a veteran technology journalist. He lives in Washington, D.C., with his wife and their animals: a dog named Brenna, and ...