ADHD Diagnosis An ADHD diagnosis can help someone to understand the reasons why they have difficulty with certain tasks and activities. It can increase self-esteem and help those with ADHD in determining effective treatment plans. The citizens of England have a right to access an adult ADHD assessment service through https://telegra.ph/14-Questions-You-Might-Be-Insecure-To-Ask-About-Private-Assessment-For-ADHD-03-07