Parents often worry about their kids' screen time, in particular, their time spent on social media apps. Could kids constantly checking their phones actually be changing brain structure and function in kids who exhibit "habitual checking behaviors"? Listen to Max & Amy's conversation about a StudyFinds.org article, articulating a University of North Carolina study, published in JAMA Pediatrics, that reveals "checking behaviors on social media in early adolescence may tune the brain's sensitivity to potential social rewards and punishments."