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Solar UVB doses in China are inversely correlated with several types of cancer

Posted by wbgrant on 12 Dec 2012 at 20:00 GMT

Two papers reported reduced risk of several types of internal cancers in China with respect to higher latitude [Grant, 2007] or solar UVB doses [Chen et al., 2010].

Chen W, Clements M, Rahman B, Zhang S, Qiao Y, Armstrong BK. Relationship between cancer mortality/incidence and ambient ultraviolet B irradiance in China. Cancer Causes Control. 2010 Oct;21(10):1701-9.

Grant WB. Does solar ultraviolet irradiation affect cancer mortality rates in China? Asian Pac J Cancer Prev. 2007 Apr-Jun;8(2):236-42.

Competing interests declared: I receive funding from Bio-Tech Pharmacal (Fayetteville, AR), and the Sunlight Research Forum (Veldhoven) and have received funding from the UV Foundation (McLean, VA), the Vitamin D Council (San Luis Obispo, CA), the Vitamin D Society (Canada).