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Study: Secondhand smoke might be factor in ADHD

Published: Jul. 15, 2011 at 4:05 PM EDT|Updated: Jul. 19, 2011 at 8:38 PM EDT
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The smell of cigarette smoke might deter a majority of young people from smoking. (Source: CNN)
The smell of cigarette smoke might deter a majority of young people from smoking. (Source: CNN)

(CNN) - Two new studies from the American Academy of Pediatrics look at how secondhand smoke exposure impacts America's youth.

One study links exposure to secondhand smoke in the home with a 50 percent increased risk of the development of neurobehavioral disorders in children.

It suggests that 8 percent of the 5 million children younger than 12 who are exposed to secondhand smoke at home suffer from learning disabilities, ADHD and other behavioral disorders.

On a more positive note, the second study suggests that children 8 to 13 who have a negative opinion the smell of cigarette smoke are 78 percent less likely to start the habit later on.

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