22 Health Benefits of Vitamin D, According to Science

Cancer
Vitamin D decreases cell proliferation and increases cell differentiation, stops the growth of new blood vessels, and has significant anti-inflammatory effects. Women who live in the sunniest areas and have the highest exposure to sunlight have a 65% reduction in breast cancer risk compared to those who have the least sunlight exposure.  Girls with the greatest exposure to sunlight during the ages of 10-19 had a 35% decreased risk of breast cancer as adults.