Depression is a medical condition that affects about 1 in 10 U.S. adults. Mood, thoughts, physical health, and behavior all may be affected. The symptoms and severity of depression can vary from person to person. Depression can be treated with conventional medicine, including antidepressants and certain types of psychotherapy. For more information on depression, visit the National Institute of Mental Health's Web site.
This page last modified September 24, 2017