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 assist those with ADHD in determining effective treatment plans. The NHS in England offers an adult ADHD assessment for adults with ADHD. Right http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1372323