Daily Digit: The number of high schoolers who vape has risen 75%

Daily Digit is the story behind the numbers that make our world work. Today we’re looking at teen vaping. According to a new study, 20% of high school students have used e-cigarettes in the past 30 days. That’s 3 million teens — a figure that’s up 75% from the year before. Sales of e-cigarettes are expected to double this year, and researchers want to know how much of that can be attributed to teen use. Most teens say they use e-cigs because they’re cool and they enjoy the flavors. The FDA is weighing a ban on the online sale of e-cigarettes by companies that can’t prove they are trying to prevent teens and children from buying them.