like that. >> jett is much more irritable.main responsibilities is just emptying the dishwasher. that is a small task that does not require a lot of energy, but it feels monumental to them when they don't have their medicine. stephanie: about 10% of kids and teens have adhd. 62% of them take medication for it. >> what the medicine does, it increases the dopamine availability in parts of the brain that are in charge of focusing and completing tasks. stephanie: he directly adhd outpatient program at ut hea lth houston. >> they also impact the dopamine in parts of the brain that are in charge of stopping you before you act. so, impulsivity. >> i need my adderall. it is a necessity in order to get through day to day tasks. stephanie: 19-year-old mara has been taking adhd medication since she was eight. >> i was always fidgeting and that annoyed a lot of people. they viewed me as some hyper kid who was really weird. stephanie: she has managed her symptoms with medication, but in the last year, she has gone up to two weeks without i