Although e-cigarettes are considered safer health-wise than traditional ones, other aspects of vaping are creating deep concerns. First, the pods in vaping devices have a higher concentration of nicotine than do individual cigarettes. Also, a growing body of research indicates that vaping is leading more adolescents to try cigarettes. Richard Miech reports that the Monitoring the Future study found that of the 11% of high school seniors who vape, 24% do so daily.

More about Miech on the growth in student vaping >