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 finding effective treatment strategies. People living in England have a right to access an adult ADHD assessment service from the NHS. https://wiese-donahue.blogbright.net/this-story-behind-private-testing-for-adhd-can-haunt-you-forever/