FDA Intensifies Crackdown On E-Cigarette Sales To Teenagers

An unidentified 15-year-old student at a high school in Cambridge, Mass., vaped near campus in April.

The Food and Drug Administration said teen vaping has reached epidemic proportions, prompting more than 1,300 warning letters to stores selling e-cigarettes to kids and an ultimatum to four companies.

(Image credit: Steven Senne/AP)