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What is depression?

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It's normal to feel down once in a while, but if you're sad most of the time and it affects your daily life, you may have clinical depression. It's a condition you can treat with medicine, talking to a therapist, and changes to your lifestyle.

There are many different types of depression. Events in your life cause some, and chemical changes in your brain cause others.

From: Types of Depression WebMD Medical Reference

SOURCES:

American Psychiatric Association: Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition: DSM-5, American Psychiatric Publishing, 2013.

National Institute of Mental Health: "What is Depression?" "What is Bipolar Disorder?" and "Brain Stimulation Therapies."

National Alliance on Mental Illness: "Depression: Treatment, Services, and Support."

Cleveland Clinic: "Seasonal Depression."

University of Michigan Depression Center: "Premenstrual Dysphoric Disorder (PMDD)."

Agency for Healthcare Research and Quality: "Efficacy and Safety of Screening for Postpartum Depression."

American Academy of Family Physicians. "Depression: How Electroconvulsive Therapy Works."

CDC: "The Burden of Mental Illness."

Morbidity and Mortality Weekly Report , Jan. 6, 2012.

Epperson, C.N , May 2012. The American Journal of Psychiatry

Goldberg, J. , May 2014. Current Psychiatry

National Alliance on Mental Illness: "Criteria for Major Depressive Episode: DSM-5," "Psychotic Depression."

Parker, G. The , September 2002. American Journal of Psychiatry

Rothschild, A. April 2013. Schizophrenia Bulletin,

Severus, E. , 2013. International Journal of Bipolar Disorders

Anxiety and Depression Association of America: "Depression."

Reviewed by Joseph Goldberg on October 16, 2018

SOURCES:

American Psychiatric Association: Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition: DSM-5, American Psychiatric Publishing, 2013.

National Institute of Mental Health: "What is Depression?" "What is Bipolar Disorder?" and "Brain Stimulation Therapies."

National Alliance on Mental Illness: "Depression: Treatment, Services, and Support."

Cleveland Clinic: "Seasonal Depression."

University of Michigan Depression Center: "Premenstrual Dysphoric Disorder (PMDD)."

Agency for Healthcare Research and Quality: "Efficacy and Safety of Screening for Postpartum Depression."

American Academy of Family Physicians. "Depression: How Electroconvulsive Therapy Works."

CDC: "The Burden of Mental Illness."

Morbidity and Mortality Weekly Report , Jan. 6, 2012.

Epperson, C.N , May 2012. The American Journal of Psychiatry

Goldberg, J. , May 2014. Current Psychiatry

National Alliance on Mental Illness: "Criteria for Major Depressive Episode: DSM-5," "Psychotic Depression."

Parker, G. The , September 2002. American Journal of Psychiatry

Rothschild, A. April 2013. Schizophrenia Bulletin,

Severus, E. , 2013. International Journal of Bipolar Disorders

Anxiety and Depression Association of America: "Depression."

Reviewed by Joseph Goldberg on October 16, 2018

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