"Fooling" with Smokers?

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"Dr. Mark Weiser and colleagues from Sheba Medical Center in Tel Hashomer found that young men who smoked a pack of cigarettes a day or more had IQ scores 7.5 points lower than non-smokers.

"Adolescents with poorer IQ scores might be targeted for programs designed to prevent smoking," they conclude in the journal Addiction". Source: www.reuters.com