Ultraviolet radiation, Vitamin D and the development of obesity, metabolic syndrome and type-2 diabetes

Shelley Gorman, Robyn M. Lucas, Aidan Allen-Hall, Naomi Fleury, Martin Feelisch

Research output: Contribution to journalReview articlepeer-review

22 Citations (Scopus)


Obesity is increasing in prevalence in many countries around the world. Its causes have been traditionally ascribed to a model where energy intake exceeds energy consumption. Reduced energy output in the form of exercise is associated with less sun exposure as many of these activities occur outdoors. This review explores the potential for ultraviolet radiation (UVR), derived from sun exposure, to affect the development of obesity and two of its metabolic co-morbidities, type-2 diabetes and metabolic syndrome. We here discuss the potential benefits (or otherwise) of exposure to UVR based on evidence from pre-clinical, human epidemiological and clinical studies and explore and compare the potential role of UVR-induced mediators, including vitamin D and nitric oxide. Overall, emerging findings suggest a protective role for UVR and sun exposure in reducing the development of obesity and cardiometabolic dysfunction, but more epidemiological and clinical research is required that focuses on measuring the direct associations and effects of exposure to UVR in humans.

Original languageEnglish
Pages (from-to)362-373
Number of pages12
JournalPhotochemical and Photobiological Sciences
Issue number3
Publication statusPublished - 2017


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