Factors that may increase your risk of seasonal affective disorder include:
Sept. 12, 2014
- Being female. SAD is diagnosed more often in women than in men, but men may have more-severe symptoms.
- Age. Young people have a higher risk of winter SAD, and winter SAD is less likely to occur in older adults.
- Family history. People with SAD may be more likely to have blood relatives with SAD or another form of depression.
- Having clinical depression or bipolar disorder. Symptoms of depression may worsen seasonally if you have one of these conditions.
- Living far from the equator. SAD appears to be more common among people who live far north or south of the equator. This may be due to decreased sunlight during the winter and longer days during the summer months.
- Saeed SA, et al. Seasonal affective disorder. http://www.uptodate.com/home. Accessed Aug. 13, 2014.
- Specifiers for depressive disorders: With seasonal pattern. In: Diagnostic and Statistical Manual of Mental Disorders DSM-5. 5th ed. Arlington, Va.: American Psychiatric Association; 2013. http://www.psychiatryonline.org. Accessed Aug. 13, 2014.
- Seasonal affective disorder. National Alliance on Mental Illness. http://www.nami.org/Template.cfm?Section=By_Illness&Template=/ContentManagement/ContentDisplay.cfm&ContentID=23051. Accessed Aug. 13, 2014.
- Seasonal-affective disorder. American Psychiatric Association. http://www.psychiatry.org/seasonal-affective-disorder. Accessed Aug. 13, 2014.
- Varteresian T, et al. Natural products and supplements for geriatric depression and cognitive disorders: An evaluation of the research. Current Psychiatry Reports. 2014;16:456.
- Sanassi LA. Seasonal affective disorder: Is there light at the end of the tunnel? Journal of the American Academy of Physician Assistants. 2014;27:18.
- Melatonin. Natural Medicines Comprehensive Database. http://www.naturaldatabase. Accessed Aug. 13, 2014.
- Depression. National Institute of Mental Health. https://www.nimh.nih.gov/health/publications/depression/index.shtml. Accessed Aug. 13, 2014.
- Ravindran AV, et al. Complementary and alternative therapies as add-on to pharmacotherapy for mood and anxiety disorders: A systematic review. Journal of Affective Disorders. 2013;150:707.
- Stress and relaxation techniques. NCCAM Clinical Digest. http://nccam.nih.gov/health/providers/digest/relaxation.htm. Accessed Aug. 13, 2014.
- Massage therapy for health purposes. NCCAM Clinical Digest. http://nccam.nih.gov/health/providers/digest/massage. Accessed Aug. 13, 2014.
- Kung S (expert opinion). Mayo Clinic, Rochester, Minn. Aug. 29, 2014.
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