MedlinePlus Health Topics

Last uploaded: January 29, 2019
Preferred Name

Seasonal mood disorder

Synonyms

Seasonal Affective Disorder

Definitions

<p>Seasonal affective disorder (SAD) is a type of <a href='https://medlineplus.gov/depression.html'>depression</a> that comes and goes with the seasons. It usually starts in the late fall and early winter and goes away during the spring and summer. Some people do have episodes of depression that start in the spring or summer, but that is a lot less common. Symptoms of SAD may include</p> <ul> <li>Sadness</li> <li>Gloomy outlook</li> <li>Feeling hopeless, worthless, and irritable</li> <li>Loss of interest or pleasure in activities you used to enjoy</li> <li>Low energy</li> <li>Difficulty sleeping or oversleeping</li> <li>Carbohydrate cravings and weight gain</li> <li>Thoughts of death or <a href='https://medlineplus.gov/suicide.html'>suicide</a></li> </ul> <p>SAD is more common in women, young people, and those who live far from the equator. You are also more likely to have SAD if you or your family members have depression.</p> <p>The exact causes of SAD are unknown. Researchers have found that people with SAD may have an imbalance of serotonin, a brain chemical that affects your mood. Their bodies also make too much melatonin, a hormone that regulates sleep, and not enough vitamin D.</p> <p>The main treatment for SAD is light therapy. The idea behind light therapy is to replace the sunshine that you miss during the fall and winter months. You sit in front of a light therapy box every morning to get daily exposure to bright, artificial light. But some people with SAD do not respond to light therapy alone. Antidepressant medicines and talk therapy can reduce SAD symptoms, either alone or combined with light therapy.</p> <p >NIH: National Institute of Mental Health</p>

ID

http://purl.bioontology.org/ontology/MEDLINEPLUS/C0085159

altLabel

Seasonal Affective Disorder

Seasonal depression

SAD

cui

C0085159

Date created

01/27/2003

definition

Seasonal affective disorder (SAD) is a type of depression that comes and goes with the seasons. It usually starts in the late fall and early winter and goes away during the spring and summer. Some people do have episodes of depression that start in the spring or summer, but that is a lot less common. Symptoms of SAD may include

  • Sadness
  • Gloomy outlook
  • Feeling hopeless, worthless, and irritable
  • Loss of interest or pleasure in activities you used to enjoy
  • Low energy
  • Difficulty sleeping or oversleeping
  • Carbohydrate cravings and weight gain
  • Thoughts of death or suicide

SAD is more common in women, young people, and those who live far from the equator. You are also more likely to have SAD if you or your family members have depression.

The exact causes of SAD are unknown. Researchers have found that people with SAD may have an imbalance of serotonin, a brain chemical that affects your mood. Their bodies also make too much melatonin, a hormone that regulates sleep, and not enough vitamin D.

The main treatment for SAD is light therapy. The idea behind light therapy is to replace the sunshine that you miss during the fall and winter months. You sit in front of a light therapy box every morning to get daily exposure to bright, artificial light. But some people with SAD do not respond to light therapy alone. Antidepressant medicines and talk therapy can reduce SAD symptoms, either alone or combined with light therapy.

NIH: National Institute of Mental Health

Inverse of RQ

http://purl.bioontology.org/ontology/MEDLINEPLUS/C0085159

Inverse of SIB

http://purl.bioontology.org/ontology/MEDLINEPLUS/C0011570

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http://purl.bioontology.org/ontology/MEDLINEPLUS/C0525045

http://purl.bioontology.org/ontology/MEDLINEPLUS/C0025260

http://purl.bioontology.org/ontology/MEDLINEPLUS/C0005119

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http://purl.bioontology.org/ontology/MEDLINEPLUS/C0033975

http://purl.bioontology.org/ontology/MEDLINEPLUS/C0008073

http://purl.bioontology.org/ontology/MEDLINEPLUS/C0002395

Inverse of SY

http://purl.bioontology.org/ontology/MEDLINEPLUS/C0085159

Mapped from

http://purl.bioontology.org/ontology/MEDLINEPLUS/C0085159

Mapped to

http://purl.bioontology.org/ontology/MEDLINEPLUS/C0085159

MP HEALTH TOPIC URL

https://medlineplus.gov/seasonalaffectivedisorder.html

MP OTHER LANGUAGE URL

Spanish https://medlineplus.gov/spanish/seasonalaffectivedisorder.html

MP PRIMARY INSTITUTE URL

National Institute of Mental Health http://www.nimh.nih.gov/

notation

C0085159

prefLabel

Seasonal mood disorder

Related to

http://purl.bioontology.org/ontology/MEDLINEPLUS/C0011570

tui

T048

subClassOf

http://purl.bioontology.org/ontology/MEDLINEPLUS/C1832070

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Delete Mapping To Ontology Source
http://purl.bioontology.org/ontology/MESH/D016574 Medical Subject Headings CUI
http://purl.bioontology.org/ontology/OMIM/MTHU053243 Online Mendelian Inheritance in Man CUI
http://purl.bioontology.org/ontology/OMIM/608516 Online Mendelian Inheritance in Man CUI