This document discusses mental health in children and adults. It defines mental health as well-being, realizing abilities, coping with stress, working productively, and contributing to community. Child mental health means reaching milestones and learning social skills. Common child disorders include ADHD, anxiety, and behavior disorders. Mental disorders in children can affect development and functioning at home and school. Symptoms include sadness, social withdrawal, suicidal thoughts, irritability, and harmful behavior. Treatment includes behavior therapy and parent training. Adulthood disorders include mood, anxiety, and psychotic disorders caused by genetic and environmental factors. Symptoms include confusion, extreme fears/worries, mood changes, withdrawal, and tiredness. Treatment involves psychotherapy, medication,