ADHD Assessment and Diagnosis A diagnosis and evaluation of ADHD can alter the lives of adolescents and children. With a diagnosis and a personalised treatment plan they can optimise their learning environment and reach their full potential. However the ADHD diagnosis is not always easy to access on the NHS. https://telegra.ph/The-Most-Common-ADHD-Diagnosis-Private-UK-Debate-Actually-Isnt-As-Black-Or-White-As-You-Might-Think-03-07