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Tourette's disorder is a brain condition that starts in childhood. Children with Tourette's make sounds or movements–such as coughing or twitching–that they can't control. These are called tics.
Tics usually start at about age 2. They may be at their worst by age 12. Tics tend to decrease during teenage years. They can continue into adulthood but occur less often and are less severe than in childhood.
Tourette's Disorder A neurological disorder, Tourette syndrome (TS) is characterized by repetitive, involuntary movements and vocalizations called tics. Tourette's DisorderTStourette-syndromeGilles de la Tourette syndrome