From the Merck Manuals
Michael C. Levin, MD, Multiple Sclerosis Research Chair, Professor of Neurology, University of SaskatchewanMore
Find information on medical topics, symptoms, drugs, procedures, news and more, written in everyday language.
George L. Bakris, MD, Professor of Medicine, University of Chicago School of MedicineMore
<b>By Amy Norton</b><br><i>HealthDay Reporter</i>More
The disorder depression is a feeling of sadness intense enough to interfere with functioning and/or a decreased interest or pleasure in activities. It may follow a recent loss or other sad event...
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