It is normal for your child or teen to sometimes misbehave, not listen, talk back or act rebellious. These behaviors are part of the normal process of growing up. However, some children and teens start to show more difficult, dangerous or disruptive behaviors that don't get better or go away with time. These behaviors can affect their home life, school performance, friendships and safety. They can cause problems for youth as they grow into adults.
Behavioral Illnesses of Childhood
The three most common types of behavior illnesses are attention deficit hyperactivity disorder (ADHD), oppositional defiant disorder (ODD) and conduct disorder (CD).
