Topic Overview

Depression

Depression is a serious medical illness. It affects almost 7 percent of U.S. adults. It causes feelings of sadness, hopelessness, and frustration that do not go away. Learn about treatments.

Mental Behavioral Health

Educational information only. This explains health information to discuss with a qualified clinician; it is not a diagnosis, prescription, or treatment. Medical Information & Safety.

Definition

Depression is a serious medical illness. It affects almost 7 percent of U.S. adults. It causes feelings of sadness, hopelessness, and frustration that do not go away. Learn about treatments.

Concept record

Canonical title: Depression
Alphabetical key: D
Category: Mental Behavioral Health
Content type: Topic Overview
Other names, clinical names and abbreviations: Major depressive disorder, Clinical depression
Article status: Medical Encyclopedia Index Entry — full article under review.

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