exposed to insecticides at home may have a slightly increased risk of
developing leukemia or lymphoma, a new review finds. The analysis, of 16
studies done since the 1990s, found that children exposed to indoor
insecticides had an elevated risk of developing the blood cancers. There was
also a weaker link between exposure to weed killers and the risk of leukemia.
The findings, reported online Sept. 14 and in the October print issue of
Pediatrics, do not prove that chemical pesticides directly contribute to the
cancers. And if they do, researchers said, several questions remain."We
don't know 'how much' exposure it takes, or if there's a critical window in
development," said senior researcher Chensheng (Alex) Lu, an associate
professor of environmental exposure biology at the Harvard School of Public
Health in Boston.