This document summarizes key facts about depression from the World Health Organization, including that over 350 million people worldwide suffer from depression, 80% of those affected do not receive treatment, and close to 1 million people take their own lives each year due to depression. It encourages early detection and effective treatment, noting that treatment is effective for 60-80% of those affected and will allow them to smile again. It also provides signs of depression and tips for how to help those suffering.