Health encyclopaedia - Alphabetical Topic List

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Tics

Tics are repetitive, twitching movements occurring at irregular intervals and always in the same place. Very minor tics occur in about a quarter of all children and usually disappear within a year. Tics are three times as common in boys as in girls.

Tics are also common feature of Gilles de la Tourette syndrome (see article on Tourette's Syndrome).  In Tourette's syndrome, tics appear when the child is around seven years of age.