Clinical Research Directory

Inclusion Criteria: * 12-21 years with obesity (BMI\>95th percentile) * participant must be willing and able to adhere to the assessments, visit schedules, and eating/fasting periods * baseline eating window greater than 12 hours. Exclusion Criteria: * diagnosis of Prader-Willi Syndrome, brain tumor, or diabetes serious intellectual disability * previous diagnosis or subthreshold symptoms of an eating disorder (anorexia nervosa, bulimia nervosa, binge-eating disorder) * parent/guardian-reported physical, mental of other inability to participate in the assessments * previous bariatric surgery * current participation in other interventional weight loss studies.