Teens often worry about school, friends, dating, and what the future holds. But chronic worrying can take a toll both mentally and physically-leading to insomnia, difficulty paying attention, and even headaches and stomachaches. Written by a Harvard faculty member and expert in teen anxiety, this is the first book to target chronic, debilitating worry in teens, and offers effective, easy-to-understand cognitive behavioral therapy (CBT) exercises to alleviate worry symptoms and prevent them from escalating into full-blown generalized anxiety disorder.