According to the American Academy of Pediatrics, 1 in 5 children in the U.S. are obese. Rates increase with age, and more than 40 percent of teens struggle with obesity by the time they reach 16-19 years of age. The COVID-19 pandemic also has experts worried that kids and teens could be at higher risk. Medical director of the healthy weight initiative at Johns Hopkins All Children’s Hospital Raquel Hernandez, M.D., M.H.S. offers tips for families on how to maintain a healthy lifestyle.