Non-Hodgkin Lymphoma 20 percent more likely if low UV – meta-analysis April 2019

Vitamin D status and risk of non-Hodgkin lymphoma: An updated meta-analysis

Hye Yin Park , Yun-Chul Hong, Kyoungho Lee, Jaewoo Koh, https://doi.org/10.1371/journal.pone.0216284

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Sun/UVB is perhaps better than Vitamin D for preventing some Cancers
Items in both categories Cancer and UV are listed here:


Other diseases appear to be prevented/treated by UV, perhaps better than Vitamin D: MS is an example

The articles in both of the categories MS and UV are:

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This meta-analysis aimed to extensively investigate the association between various measures of vitamin D status and non-Hodgkin lymphoma (NHL) and its subtypes.

Methods: We searched MEDLINE (PubMed), Embase, and the Cochrane Library in February 2018. Two authors independently reviewed and selected articles based on predetermined criteria.

Results
A total of 30 studies with 56,458 NHL cases were finally selected, with 24, 9, and 3 studies on sunlight/ultraviolet radiation (UVR) exposure, dietary intake, and serum/plasma 25-hydroxyvitamin D levels, respectively. Significant protective effects of overall sunlight/UVR exposure on NHL and subtypes were observed, with summary relative risks (RRs) ranging from 0.67–0.80 (RR for NHL = 0.80; 95% confidence interval CI: 0.71–0.90) among subjects with high exposure compared to those with low exposure. The results were consistent with various classifications of sunlight/UVR exposure. In contrast, when exposure measures of dietary vitamin D intake (RR for NHL = 1.03; 95% CI: 0.90–1.19) and serum/plasma 25-hydroxyvitamin D levels (RR for NHL = 0.97; 95% CI: 0.82–1.15) were used, risk estimates were inconsistent or non-significant for NHL and the subtypes.

Conclusion
While risk estimates varied by different measures of vitamin D status, a protective effect of sunlight/UVR exposure on NHL incidence was verified, across most of the tested subtypes as well as exposure categories.

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