This is a chronic condition that includes attention difficulty, hyperactivity and impulsiveness. It is a brain disorder that affects how you pay attention, sit still, and control your behavior.
It happens in children and teens and can continue even into adulthood. ADHD is the most commonly diagnosed mental disorder in children.
Studies show that boys are more likely to have it than girls. It may contribute to low self-esteem, troubled relationships and difficulty at school or work.