This post was written by Chelsea Dale, M.S. Taylor’s mother noticed that her 8-year-old child was constantly sniffing but did not have a cold or allergies and was excessively blinking, head nodding, ...

Tics take the form of abnormal, repetitive, and unintentional movements or vocalizations that do not follow any rhythm or pattern. Provisional tic disorder, previously known as transient tic disorder, ...