Tourette's syndrome-a condition marked by erratic and repetitive facial and muscle movements (called tics)and frequent noise making such as grunting,snorting,or sniffing-is believed to be caused by an imbalance in the

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Tourette's syndrome is believed to be caused by an imbalance in the basal ganglia, which is a part of the brain that helps regulate movement. Dysfunction in the basal ganglia can lead to the motor and vocal tics observed in Tourette's syndrome.

Tourette's Syndrome-A Condition Marked by Erratic and Repetitive Facial and Muscle