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Treatment Treatment
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Light Precautions Light Precautions
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Behavioral Interventions for Seasonal Affective Illness Behavioral Interventions for Seasonal Affective Illness
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For the Fall–Winter (September–January) For the Fall–Winter (September–January)
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For the Spring/Summer (March–August) For the Spring/Summer (March–August)
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Selected Reference Selected Reference
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26 C26Seasonal Affective Illness
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Published:December 2018
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Abstract
Seasonal affective illness is seen as part of the seasonality of affective illness, not as a separate disease. All human beings are sensitive to light; the impact of light is hardwired in neuroanatomy. The body has intricate circadian rhythms that are regulated by the interaction of light with this neuroanatomy. Thus, everyone is affected by light, or its absence. Manic and depressive states, when part of the disease of manic-depressive illness, can have a seasonal pattern, with depression more prevalent in the fall/winter and mania in the spring/summer. The high prevalence of suicide in the spring likely relates to mixed manic states. Treatment with light boxes can be helpful symptomatically. Available studies are summarized. Importantly, light precautions, which involve behavioral interventions to increase or decrease light exposure, can prevent seasonal mood episodes.
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