<img src='https://i.cbc.ca/1.4641668.1525105864!/cpImage/httpImage/image.jpg_gen/derivatives/16x9_460/teens-vaping.jpg' alt='Teens Vaping' width='460' title='In this Wednesday, April 11, 2018 photo, an unidentified 15-year-old high school student uses a vaping device near the school's campus in Cambridge, Mass. Health and education officials across the country are raising alarms over wide underage use of e-cigarettes and other vaping products. The devices heat liquid into an inhalable vapor that's sold in sugary flavors like mango and mint — and often with the addictive drug nicotine. ' height='259' /> Sneaking a cigarette in the school bathroom? How quaint. Today's teens have taken to vaping, an alternative to smoking that's so discreet they can do it without even leaving the classroom.