Patients with Attention Deficit Hyperactivity Disorder (ADHD) that have psychiatric comorbidity have an increased risk of premature death.

A cohort study of Swedish register data of 86 670 individuals with ADHD found that the presence of psychiatric comorbidity was associated with an increased risk of premature death. [1] Early-onset psychiatric comorbidity was mainly associated with the risk of natural deaths whereas later-onset psychiatric comorbidity was mainly associated with death due to unnatural causes, including…