https://trade-britanica.trade/....wiki/Why_Is_Symptoms
ADHD Symptom Adult People with ADHD are more likely to forgetting appointments, making careless mistakes, and handling demands at home and at work in an unpredictable way. For a diagnosis to be recognized, symptoms must manifest before the age of 12 and must cause impairment in a variety of settings like school or work. Many adults are not diagnosed with ADHD until they have trouble dealing with the pressures and demands of adulthood. Their undiagnosed symptoms may have caused them to lose jobs, reputations or ev