MOM'S SMOKING ADDS TO CHANCE OF ADHD

Women who smoke while pregnant are more likely to have children with attention deficit/hyperactivity disorder, according to a new study. Researchers at Yale University found that children who have a genetic marker linked to ADHD are three to nine times more likely to develop ADHD if exposed to smoke before birth. For the study, doctors looked at male-female pairs of twins, though available information did not state the size of the study

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