Higher digital screen time in preadolescent children is associated with worsening attention-deficit/hyperactivity disorder (ADHD) symptoms and measurable alterations in brain structure, according to findings from a new study published in Translational Psychiatry. “This study is the first to examine the relationship between screen time, ADHD symptoms, and brain structure from a developmental perspective using such a large-scale database,” said lead author Qiulu Shou, an assistant professor at the University of Fukui in Japan, in a news release.