KUOPIO, Finland — A growing body of research now reinforces an important message: physical fitness, meaningful screen engagement and an active lifestyle during adolescence aren’t just good for the body — they shape the brain’s wiring in ways that influence learning, mental health and self-control. Two new studies from the University of Eastern Finland and Kuopio University Hospital provide some of the freshest and most direct evidence yet of how adolescents’ physical and digital habits map onto the brain’s regulatory networks.


