Preventing obesity in early childhood is challenging for clinicians and families. Authors Eliana M. Perrin, MD, MPH, of Johns Hopkins University, and William J. Heerman, MD, MPH, of Vanderbilt University, join JAMA Deputy Editor Tracy Lieu, MD, to discuss "A Digital Health Behavior Intervention to Prevent Childhood Obesity: The Greenlight Plus Randomized Clinical Trial." Related Content:

• A Digital Health Behavior Intervention to Prevent Childhood Obesity