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It's the environment: the cause of tourette's syndrome may have been p
About the author: 

Tourette's syndrome, which causes embarrassing nervous facial tics, has increased fourfold in the past 20 years

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).


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