Thursday, November 26, 2009

Exposure to Lead, Tobacco Smoke Raises Risk of ADHD

http://www.sciencedaily.com/releases/2009/11/091123083652.htm

ScienceDaily (Nov. 23, 2009) — Children exposed prenatally to tobacco smoke and during childhood to lead face a particularly high risk for ADHD, according to research done at Cincinnati Children's Hospital Medical Center.

The study estimates that up to 35 percent of ADHD cases in children between the ages of 8 and 15 could be reduced by eliminating both of these environmental exposures. This could translate into up to 800,000 children

"Tobacco and lead exposure each have their own important adverse effect," says Tanya Froehlich, M.D., a physician in the Division of Developmental and Behavioral Pediatrics at Cincinnati Children's and the study's lead author. "But if children are exposed to both lead and prenatal tobacco, the combined effect is synergistic."

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