Major depressive disorder is one of the most common mental disorders among people in the United States. An estimated 16.2 million adults in the U.S. had at least one major depressive episode in 2016, according to the National Institute of Mental Health. In some cases, major depressive disorder can be so severe that it impedes a person’s ability to perform daily tasks.

Major Depressive Disorder FAQs

If you’d like to learn more about major depressive disorder for yourself or a loved one, explore the frequently asked questions below.