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Cigarette smoking during childhood and adolescence causes significant health problems among young people, including an increase in the number and severity of respiratory illnesses, decreased physical fitness and potential effects on lung growth and function

Additional file 1: Table S2)

With ventricular fibrillation, the heart beats so fast that it doesn't produce adequate blood flow to the brain

If a mom smokes fewer than 20 cigarettes per day, the risks from nicotine exposure are not as significant

Anticevic A, Repovs G, Shulman GL, Barch DM (2010) When less is more: TPJ and default network deactivation during encoding predicts working memory performance