Tourette syndrome (TS) is a chronic disorder of the nervous system. It isa type of tic disorders. TS is known by its motor and vocal tics. These tics are rapid, involuntary movements or sounds that occur repeatedly.

Many people with TS also have one or more of the following problems:

The exact cause of TS is unknown. However, brain chemicals, called dopamine and serotonin are most likely involved.

There may be a genetic link to TS, although some have no known family history.

Genetic Material
Chromosome_DNA
TS is inherited through genes, which make up DNA.
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