Adults With Attention Deficit Hyperactivity Disorder (ADHD) Adults Are entrusted with a variety of responsibilities and roles that require attention, organization, focus, and composure. Undiagnosed ADHD may cause a person to handle certain tasks. This can have a negative impact on their lives and cause feelings of self-worth and confidence https://www.iampsychiatry.uk/adult-adhd-assessments-and-treatments/