ADHD Diagnosis An ADHD diagnosis can help a person 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. People living in England have the right to access an adult ADHD assessment service https://telegra.ph/10-Websites-To-Help-You-To-Become-An-Expert-In-ADHD-Assessment-Private-03-07