BAsic information description A consistent pattern of behaviour that includes inattention, hyperactivity, and impulsivity. Attention deficit hyperactivity disorder (ADHD) is common and affects 3% to 5% of children. It also affects adults. frequent signs and symptoms Squirms in seat; fidgets with hands or feet. Unable to stay seated when required to do so. Easily distracted. Blurts out answers before a question is finished. Difficulty waiting turn in games and lines. Difficulty...