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Scientists don't know what causes autism, but besides a genetic predisposition, they are now focusing on environmental exposure, or a combination of the two. A conference on autism is taking place in (the eastern state of) Pennsylvania. The aim is to...
Robert Keeling says he's never felt better in his life. He never gets sick. I don't have colds anymore, he says. The 35-year-old Washington lawyer attributes his good health to exercise and diet. He likes the high intensity group workout he gets at C...
