"Though anxiety has risen among young people overall, studies confirm that it has skyrocketed in girls. Research finds that the number of girls who said that they often felt nervous, worried, or fearful jumped 55% from 2009 to 2014 while the comparable number for adolescent boys has remained unchanged. As a clinical psychologist who specializes in working with girls, Lisa Damour, Ph.D., has witnessed this rising tide of stress and anxiety in her own...