The rate of co-occurrence of ADHD and OCD has been reported to be as high as 60%. A question persists, however, on whether ADHD-OCD comorbidity is a true entity or whether symptoms attributed to one may be facets of a phenotype of the other.
Studies examining the impact of ADHD drugs on dopamine transport have been inconclusive, and preclinical research suggests that emotional factors play a greater role than stimulant therapy in fostering addictive behaviors.
Rates of severe mental illness in children and adolescents have dropped 16% since 1996, according to a new study. The lead author explains possible reasons for this surprising finding and concludes: "We're moving in the right direction!"