No in-person school. Isolation from friends. Lost rites of passage like graduation ceremonies. The COVID-19 pandemic upended the lives of many children in the United States. “A lot of children’s joy comes from being with friends or from play, and from social interaction. When you ask kids, ‘What’s making you happy?’ 90% of the time, it’s being around friends or doing things with friends,” says Elena Mikalsen, head of the Psychology Section at the Children’s Hospital of San Antonio in Texas. “That was kind of taken away during the pandemic. … For the longest time, all kids had was the academics and no joy.” A recent report finds that the uncertainty and disruption caused by COVID-19 has negatively affected the emotional and mental health of about one-third of America’s youth. So much so that the American Academy of Pediatrics (AAP), along with other children’s health organizations, has declared a national emergency in child and adolescent mental health. …