Tourette’s Syndrome

The Genetics Behind the Syndrome

How it happens in families & those who may be affected There are more than 3,000 known inherited genetic disorders, and among them is Tourette syndrome (TS). As you learn this booklet, keep in mind that although it contains the most up-to-date information we have about the hereditary transmission of TS, it by no means represents the final answer.

Tourette syndrome (TS) occurs everywhere and affects people of all ethnic groups. TS typically begins in childhood and lasts a lifetime but is not a fatal condition. In the vast majority of cases, symptoms are mild or moderate and often decrease with early adulthood.

Analysis has made great steps in understanding how TS presents itself in families. On the other hand, now that the human genome sequence has been discovered, the location and functioning of all genes that determine inherited human characteristics and disorders will finally be revealed. When that happens, scientists will know much more precisely what causes these conditions and how to limit their effects.

What is Tourette syndrome?

Tourette syndrome is a neurobehavioral disorder that causes involuntary movements and vocalizations known as tics. Even though these TS symptoms can occur at any time (usually between ages 2 and 18), they typically start…