Smokers Dumber Than Non-Smokers?

Tracking 18- to 21-year-old men enlisted in the Israeli army, researchers from Tel Aviv University say they have demonstrated an important connection between the number of cigarettes young males smoke and their IQ--Young men who smoke are likely dumber than their non-smoking peers. The average IQ for a non-smoker was about 101, while the smokers' average was more than seven IQ points lower at about 94, the study determined. The IQs of young men who smoked more than a pack a day were lower still, at about 90. An IQ score in a healthy population of such young men, with no mental disorders, falls within the range of 84 to 116. read more

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