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Working Outdoors Linked to Lower Risk of Breast Cancer Among Older Women

The BMJ

Photo: Getty Images

BMJ.com

Working outdoors over many years is linked to a lower risk of breast cancer in women after the age of 50, finds research published online in the journal Occupational & Environmental Medicine.

Outdoor workers are exposed to more sunlight, boosting their levels of vitamin D, which may protect against the disease, say the researchers. 

Vitamin D has a well-recognized role in maintaining bone and musculoskeletal health, but it may have other roles, including helping to ward off infection and cancer.

The primary source of vitamin D is UVB sunlight. However, concerns about skin cancer risk and ...