The answer is that the International Olympic Committee (IOC) has recognised the World Bridge Federation as a sport organisation, and as such, bridge is subject to the same regulatory environment as any other Olympic sport.
Tourette Syndrome is one type of Tic Disorder. Tics are involuntary, repetitive movements and vocalizations. They are the defining feature of a group of childhood-onset, neurodevelopmental conditions known collectively as Tic Disorders and individually as Tourette Syndrome, Chronic Tic Disorder (Motor or Vocal Type), and Provisional Tic Disorder.
Overview. Listen. Tourette syndrome is a disorder of the nervous system that causes a person to make repeated and uncontrolled (involuntary) movements and sounds (vocalizations) called tics. Tourette syndrome is named for Georges Gilles de la Tourette, who first described this disorder in 1885.