UV light exposure yields positive public health effects through vitamin D synthesis
Scientific literature robustly supports the claim that ultraviolet light exposure promotes public health through vitamin D synthesis, while noting the importance of balancing these benefits against risks like skin damage.
The retrieved papers overwhelmingly support the physiological link between UV exposure (specifically UV-B) and vitamin D synthesis, which historically and presently contributes to public health measures against deficiencies like rickets. While one paper highlights the risks of UV exposure, the balance of evidence clearly supports the stated claim.
M Brustad, E Alsaker, O Engelsen, L Aksnes, E Lund. Vitamin D status of middle-aged women at 65–71°N in relation to dietary intake and exposure to ultraviolet radiation. 2004. https://doi.org/10.1079/phn2003536
Demonstrates a positive association between UV-B exposure and vitamin D levels in middle-aged women.
Jabari Robinson, Rahima Begum, Muhammad Maqbool. Ultraviolet Radiation: Benefits, Harms, and Protection. 2023. https://doi.org/10.2174/9789815136890123010008
Discusses the hazards of UV radiation, including tissue damage and cancer, though it focuses primarily on device safety and industrial controls rather than vitamin D.
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Kumaravel Rajakumar, Susan L. Greenspan, Stephen B. Thomas, Michael F. Holick. SOLAR Ultraviolet Radiation AND Vitamin D. 2007. https://doi.org/10.2105/ajph.2006.091736
Reviews historical public health campaigns utilizing natural and artificial UV radiation to eradicate rickets via vitamin D synthesis.
Gunther Seckmeyer, Michael Schrempf, Anna Wieczorek, Stefan Riechelmann, Kathrin Graw, Stefan Seckmeyer, Maria Zankl. A Novel Method to Calculate Solar <scp>UV</scp> Exposure Relevant to Vitamin D Production in Humans. 2013. https://doi.org/10.1111/php.12074
Evaluates methods for calculating solar UV exposure specifically necessary for vitamin D3 production in humans.
Jamie A Greenfield, Philip S Park, Ellie Farahani, Suneil Malik, Reinhold Vieth, Norman A McFarlane, Theodore G Shepherd, Julia A Knight. Solar ultraviolet-B radiation and vitamin D: a cross-sectional population-based study using data from the 2007 to 2009 Canadian Health Measures Survey. 2012. https://doi.org/10.1186/1471-2458-12-660
Finds that cumulative exposure to ambient solar UV-B has a significant positive association with 25-hydroxyvitamin D concentrations.
Kirti Sharma, Katie M. Dixon, Gerald Münch, Dennis Chang, Xian Zhou. Ultraviolet and infrared radiation in Australia: assessing the benefits, risks, and optimal exposure guidelines. 2024. https://doi.org/10.3389/fpubh.2024.1505904
Notes that sunlight provides beneficial health effects through vitamin D production from UVB radiation.
D. J. Turnbull, A. V. Parisi. Utilising shade to optimize UV exposure for vitamin D. 2008. https://doi.org/10.5194/acpd-8-781-2008
Examines how solar UV exposure can be optimized to assist the human body in synthesizing required levels of vitamin D3.
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