SubscribeSecondhand smoke shaves points off kids' IQ, a study of over 4000 American children suggests. Even those exposed to small amounts of cigarette smoke have slightly lower cognitive abilities.Even a Little Smoke Affects Children, Study Finds
As little as one nanogram of [nicotine breakdown component] cotinine per millilitre of blood appeared to reduce IQ scores by an average of two points. One parent smoking less than a pack a day could produce that level in a child.
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Actually luck has nothing to do with why people smoke. It is a foolish decision a person can make to start smoking, and luck has nothing to do with it.
posted by Keen at 6:09 AM on May 3, 2002