A federal study on birth defects of children of IBM workers carries at least one surprise and many unknowns.
Children of men, rather than women, who worked at a polluted IBM plant in Endicott had elevated rates of certain heart defects, according to federal researchers.
But scientists with the National Institute of Occupational Safety and Health point to exposure to chemical hazards workers encountered in daily operations at the plant from 1983 until 2001. (more...)
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