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 ...

Since the start of the COVID-19 pandemic, doctors have observed an increase in teen girls experiencing tics — or what appears to be verbal and motor tics. “Tics are sudden, repetitive, non-rhythmic ...

At first glance, tics and body-focused repetitive behaviors (BFRBs) can look remarkably similar. Both involve repeated behaviors that may seem involuntary, often start in childhood or adolescence, and ...