< Back to All Videos thirdAGE > What Is Depression? Up Next... 10 Self-Harm Prevention Self-Harm Prevention Holiday Toy Safety Bedtime and Tech Loading the player ... Mental Health What Is Depression? Depression is a common and serious mental health condition, which can negatively affect how you feel, how you think, and how you act. Learn more here. Related Videos Self-Harm Prevention Holiday Toy Safety Bedtime and Tech Treating Postpartum Blues