Earlier Age of Smoking Initiation May Not Predict Heavier Cigarette Consumption in Later Adolescence

Earlier Age of #Smoking Initiation May Not Predict Heavier Cigarette Consumption in Later Adolescence http://t.co/o3TSrlRx

Earlier Age of #Smoking Initiation May Not Predict Heavier Cigarette Consumption in Later Adolescence http://ht.ly/6Dqwx

Earlier Age of #Smoking Initiation May Not Predict Heavier Cigarette Consumption in Later Adolescence http://ht.ly/6Dqv5