E-cigarette use doubles among US middle and high school students

Use of electronic cigarettes by US middle and high school students more than doubled from 2011 to 2012, the Centers for Disease Control and Prevention has reported.1 The CDC’s report says that the proportion of students in grades 6-12 who reported having ever used an e-cigarette rose from 3.3% in 2011 to 6.8% in 2012 (P<0.05). The proportion who were current users (those who had used an e-cigarette on one or more days in the past month) rose from 1.1% to 2.1% (P<0.05). The proportion of high school students who …