Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. First described in 1885, the Tourette syndrome is a tic disorder, named after French neurologist Georges Gilles de la Tourette, which affects teens in most cases, characteristically wax and wane. Its symptoms, which may include: facial tics, eye blinking, shoulder shrugging etc. are increasing during the teenage years and decreasing in intensity in early adulthood. Recent cases of the tic disorders announced by the US mass media, puzzled many scientists who tried to explain the symptoms of the disease. At this time, several opinions vary between the Tourette syndrome, conversion disorder and PANDAS. Learn more about this syndrome, its causes and social impact in this book.