Schools fret as teens take to vaping, even in classrooms

BOSTON — 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.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. They're marke