by Karolinska Institutet Figure 1: Associations between ADHD and broad disease groups in individuals and between full-siblings and maternal half-siblings. Credit: The Lancet Psychiatry (2021). Adults with ADHD are at higher risk of a wide range of physical conditions, including nervous system, respiratory, musculoskeletal, and metabolic diseases, according to a large register-based study from Karolinska Institutet...