Fact Sheets

Hostile, Disobedient and Defiant Behavior in Children
Oppositional defiance disorder is a disorder marked by frequent angry outbursts and aggressive behaviors that interfere with life. Learn about symptoms and treatment.
Anger, Irritability and Aggression in Kids
Angry feelings often bubble into outbursts for children and teens. Parents may wonder whether their child's behavior is normal; Yale Medicine can help.
Depression in Children and Teens
Childhood depression is indicated by persistent feelings of sadness that interfere with the ability to function in daily life. Learn about symptoms and treatment.
Attention Deficit Hyperactivity Disorder (ADHD)
ADHD is a condition marked by problems with attention, hyperactivity, and impulsiveness. Learn about symptoms and treatment.
Avoiding and Refusing to Go to School
For many reasons, including anxiety, depression, social issues and learning problems, an estimated 10-15% of kids are chronically absent from school.
Psychological Assessment of Children
A psychological assessment of a child involves a series of interviews and tests to evaluate a child's strengths and weaknesses across many areas.
Diagnosing Autism
Autism is a neurodevelopmental disorder that interferes with the ability to learn, communicate, and interact. Learn about symptoms and treatment.
Parental Depression: How it Affects a Child
Depression is a mental health disorder that causes feelings of hopelessness, despair, and lack of motivation. Learn about symptoms and treatment.
Childhood Stress and Anxiety
Anxiety is the most common mental health disorder in children. Learning healthy ways to calm down and handle fears is an important life skill.
Child Development
Child development is a series of skills and stages that occur in a child between birth and adulthood.