Juul e-cigarettes and teens: ‘Health problem of the decade’?

(CNN) – The students wait eagerly for their teachers to turn their backs.That’s their cue to reach quietly for a small, sleek device they can easily conceal in their palms. It resembles a flash drive, but instead of computer files, this device stores nicotine.
They take a hit, sucking on the device as they would a cigarette. Then, “they blow into their backpacks … or into their sweater when the teacher isn’t looking,” said Elijah Luna, 16, a sophomore at Vis