 which Haight says companies like Meta designed to addict you. Smartphone use among kids was supposed to be just one chapter in Haight's book, but it rapidly expanded into a book of its own, Haight's new book, The Anxious Generation, a book about what Haight calls the rise of the phone-based childhood. On his website, Haight displays a chart from the U.S. National Survey on Drug Use and Health. That chart reveals something alarming. Anxiety has skyrocketed among 18- to 25-year-olds