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Photodermatol Photoimmunol Photomed. 2018 Sep;34(5):288-297. doi: 10.1111/phpp.12396. Epub 2018 Jun 25.

Effect of ultraviolet light on mood, depressive disorders and well-being.

Author information

1
Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands.
2
Woonzorgcentra Haaglanden, Den Haag, The Netherlands.
3
Florence Health and Care, Rijswijk, The Netherlands.

Abstract

BACKGROUND:

Human and animal studies have shown that exposure to ultraviolet light can incite a chain of endocrine, immunologic, and neurohumoral reactions that might affect mood. This review focuses on the evidence from clinical trials and observational studies on the effect of ultraviolet light on mood, depressive disorders, and well-being.

METHODS:

A search was made in PubMed, Embase, Web of Science, Cochrane, Psychinfo, CINAHL, Academic Search Premier and Science Direct, and the references of key papers, for clinical trials and observational studies describing the effect of ultraviolet light applied to skin or eyes on mood, depressive disorders, and well-being.

RESULTS:

Of the seven studies eligible for this review, the effect of ultraviolet light on mood, depressive symptoms and seasonal affective disorders was positive in six of them.

CONCLUSIONS:

Of the seven studies, six demonstrated benefit of exposure to ultraviolet radiation and improvement in mood which supports a positive effect of ultraviolet light on mood. Because of the small number of the studies and their heterogeneity, more research is warranted to confirm and document this correlation.

KEYWORDS:

depressive disorders; mood; sunlight; ultraviolet light

PMID:
29855075
DOI:
10.1111/phpp.12396
[Indexed for MEDLINE]

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