ADHD Private Diagnosis ADHD Affects the way a person performs. It is a neurodevelopmental disorder which can be treated with medication. It is important to note that this is not an excuse for bad behavior. Psychiatrists are the best equipped professionals to diagnose ADHD and have access to a vast http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1557416