Inattention - Concentration is very difficult. Distractibility also is a major symptom.
Attention span is poor.
Temper - Outbursts of temper are common and difficult to control. Disorganization - Organizational activities are very difficult. This is evident at school, in running a household, in vocational function. 1 percent and 6 percent of the general population, continue to manifest appreciable ADHD symptoms into adult life, after being diagnosed and treated before the age of 7. They found an increased frequency of ADHD-like psychopathology only among the biological parents of ADHD children .