Who is affected by Tourette's disorder?

About 6 to 12 out of 100 people have tics at some time in their lives.1 And about 1 child out of 100 may have Tourette's disorder.1, 2 It is hard to know exactly how many children with tics may have Tourette's disorder, especially when the tics are mild.

Boys are about 3 times more likely to have Tourette's disorder than girls.3


  1. Singer HS (2005). Tourette's syndrome: From behaviour to biology. Lancet Neurology, 4(3): 149–159.
  2. Robertson MM (2006). Attention deficit hyperactivity disorder, tics and Tourette's syndrome: The relationship and treatment implications. European Child and Adolescent Psychiatry, 15(1): 1–11.
  3. Ropper AH, Samuels MA (2009). Tics and habit spasms section of Tremor, myoclonus, focal dystonias, and tics. In Adams and Victor's Principles of Neurology, 9th ed., pp. 106–110. New York: McGraw-Hill.

Last Updated: September 2, 2009

Author: Debby Golonka, MPH

Medical Review: Michael J. Sexton, MD - Pediatrics & Karin M. Lindholm, DO - Neurology

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