FILE - Woman in Brooklyn, shown using the Army's DDT bomb to spray her bedroom and so kill all insects. Her son Robert, 5, watches from bed and illustrates the fact the spray is not harmful except to winged pests.
A study published on April 14 in the journal Cancer Epidemiology, Biomarkers & Prevention revealed that women whose grandmothers were exposed to the now-banned chemical known as DDT are seeing the generational impacts the chemical can have.Widespread DDT use began in the U.S.