Mayo Clinic

Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest. Also called major depression, major depressive disorder or clinical depression, it affects how you feel, think and behave and can lead to a variety of emotional and physical problems.


MedlinePlus offers excellent resources about depression including videos and tutorials, symptoms and treatment options, patient handouts, and more.

National Institute of Mental Health

The National Institute of Mental Health provides an overview on Depression, including various types, causes, signs & symptoms, and treatments.

National Institute on Aging

The NIH National Institute on Aging touches on topics such as What to Look For, Treating Depression, and Help from Family and Friends.

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