ADHD Diagnosis A diagnosis of ADHD can help people discover the reason they are unable to perform certain tasks and activities. It can increase self-esteem and help them in identifying effective treatment strategies. People living in England have a right to use an adult ADHD assessment service from the NHS. https://beatty-funder.hubstack.net/what-the-10-most-worst-private-adhd-assessment-uk-failures-of-all-time-could-have-been-prevented/