Depression may be described as feeling sad, blue, unhappy, miserable, or down in the dumps. Most of us feel this way at one time or another for short periods.
An estimated 16 million American adults—almost 7% of the population—had at least 1 major depressive episode last year. People of all ages and all racial, ethnic and socioeconomic backgrounds can experience depression, but it does affect some groups of people more than others.
Women are 70% more likely than men to experience depression, and young adults aged 18–25 are 60% more likely to have depression than people aged 50 or older.