If you've been feeling sad, hopeless, or irritable for a long time, you might have depression. Girls are more likely tha

If you've been feeling sad, hopeless, or irritable for a long time, you might have depression. Girls are more likely than boys to have depression. Teens who are depressed may be moody, get into trouble at school, be negative or grouchy, or feel misunderstood. Learn more about depression: nimh.nih.gov/health/publications/teen-depression/index.shtml