This document discusses depression, including what it is, potential causes, symptoms, and types. Depression is a medical condition characterized by overwhelming feelings of fear and anger that affects mood, behavior, thoughts, and physical health, potentially leading to suicide. It can be caused by family history, brain chemical imbalances, major life changes or illnesses. Symptoms include slowing down, neglecting responsibilities, poor memory/concentration, and suicidal thoughts. Common types are major depression, dysthymia, bipolar disorder, and seasonal affective disorder. The document recommends seeing a doctor or counselor if experiencing symptoms of depression and provides tips on things to do and avoid.