Overworked kids are hopping up more and more on lattes and macchiatos, as well as even dodgier stimulants, according to U.S. News. Coffee consumption among 18- to 24-year-olds has nearly doubled in three years, while increasingly popular energy drinks like Red Bull and the shockingly christened Cocaine pack multiple cups of java into a few ounces.
Doctors are worried that greener bodies can’t handle the jolt. “We really have no idea how it affects development long term,” says one psychiatrist. Meanwhile, the same doctors are writing more prescriptions for Ritalin and Adderall, powerful stimulants that are becoming the drugs of choice on college campuses for late-night study sessions. (Read more ADHD stories.)