https://www.sciencedaily.com/releases/2023/01/230116112600.htm

This study is the first to show that ADHD is more predictive of poor mental health outcomes in adults than other neurodevelopmental conditions, like autism.

Until now, there has been a dearth of information on the effects of ADHD on poor mental health, with far more research focusing on the impact of autism on depression, anxiety and quality of life. As a result, people with ADHD have often struggled to access the clinical care they need to cope with their symptoms.