IT’S THE ENVIRONMENT: The cause of Tourette’s syndrome may have been p

Tourette’s syndrome, which causes embarrassing nervous facial tics, has increased fourfold in the past 20 years. One study in Rochester, New York, found that one out of four students in special-education classes had a tic-related disorder.

Its cause, and increase, remain a mystery to medicine, but a study by 300 complementary practitioners specialising in Tourette’s therapy found that environmental factors – toxins, stimulants, allergens and foods – aggravated or triggered tics (Townsend Lett Docs, 2003; Jan: 22).