Attention deficit hyperactivity disorder (ADHD)

Attention deficit hyperactivity disorder (ADHD) is the most common behavioural disorder in the UK affecting between 3 and 9 per cent of school-aged children and young people. It incorporates two groups of behaviours, inattentiveness and a combination of hyperactivity and impulsiveness. Common symptoms include a short attention span, restlessness, being easily distracted and constant fidgeting.