Health A-Z: Depression


The most prominent symptom of major depression is a severe and persistent low mood, profound sadness, or a sense of despair. The mood change can sometimes appear as irritability. Or the person suffering major depression may not be able to take pleasure in activities that usually are enjoyable. Major depression is more than just a passing blue mood, a "bad day" or temporary sadness.


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    The Patient Education Center provides multimedia access to reliable and relevant medical information at and beyond the point of care. Our content is developed exclusively by Harvard Health Publications, the media and publishing division of the Harvard Medical School of Harvard University, and distributed by Health Media Network.