In Utero Exposure to Smoking Can Increase Risk of ADHD

A recent study conducted by members of the Department of Psychiatry, Washington University School of Medicine, and St. Louis, Missouri finds that a woman who smokes during pregnancy increases her child's risk of ADHD.

"When genetic factors are combined with prenatal cigarette smoke exposure, the ADHD risk... increased 3 to 9 fold."

The study was conducted using both male and female twin pairs, aged 7-19 years, to determine if there was in fact a relationship between genetic variations, prenatal smoke exposure, and ADHD.Read more at Elsevier.com.

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