Now that the older members of the Generation Z cohort have reached their mid-20s, stark differences in their mental health, resilience, and socioemotional development are evident when compared with their Millennial counterparts. Many troubling trends have been measured, including:• A 188 percent increase in emergency room visits for self-harm by girls, and 48 percent for boys, since 2010.• A 167 percent increase in suicide rates for adolescent girls, and a 91 percent increase for adolescent boys, since 2010, with no abatement,• A rise in depression during the 2010s so significant that it could explain nearly all suicide mortality among those...