Answer:
Behavioural disorders are more common among younger adolescents than older adolescents. Attention deficit hyperactivity disorder (ADHD), characterized by difficulty paying attention, excessive activity and acting without regard to consequences, occurs among 3.1% of 10-14 year-olds and 2.4% of 15-19 year-olds(1). Conduct disorder (involving symptoms of destructive or challenging behaviour) occurs among 3.6% of 10-14 year-olds and 2.4% of 15-19 year-olds(1). Behavioural disorders can affect adolescents’ education and conduct disorder may result in criminal eating behaviour and preoccupation with food, accompanied in most instances by concerns about