ADHD Diagnosis A diagnosis of ADHD can help people discover the reason they are unable to complete certain tasks and activities. It can also boost self-esteem and help them develop effective treatment plans. The citizens of England have a right to use an adult ADHD assessment service through the NHS. https://dowling-kearney.hubstack.net/a-the-most-common-adhd-diagnosis-private-uk-debate-isnt-as-black-and-white-as-you-may-think/