Having attention deficit hyperactivity disorder is associated with a shorter life expectancy and a greater risk of mental health issues, a new study has found.

A large study of 30,000 adults diagnosed with ADHD in the U.K. found women with ADHD died roughly nine years younger than women without a diagnosis. Men had about a seven-year shorter lifespan.

Adolescent Brain Cognitive Development (ABCD) IBG and the Institute for Cognitive Science are collaborators on a landmark national study of adolescent brain and cognitive development (ABCD). The ABCD ...