![]() ![]() ![]() ![]() "I would challenge anyone to find an area or nutrient or any factor that has such consistent anticancer benefits as vitamin D. Edward Giovannucci, a Harvard professor of nutrition: One 2005 study 19 found that vitamin D may prevent 30 deaths for each death caused by skin cancer. 16, 17, 18 Studies Show Higher Sun Exposure Protects Health and Increases Longevity Sun avoidance also increases your risk of a number of other health problems stemming from vitamin D deficiency, including internal cancers 10, 11, 12 that claim far more lives than skin cancer, as well as heart disease, 13 multiple sclerosis, 14 infertility 15 and all-cause mortality. According to this study, the rise in melanoma appears to be “an artifact caused by diagnostic drift.”ĭiagnostic drift, according to the study, refers to a hefty increase in disease diagnoses fueled by detection and misclassification of benign lesions as stage 1 melanoma. Rates of melanoma have been rising for at least the last three decades, and research 9 published in the British Journal of Dermatology in 2009 suggests the sun is likely nothing more than a scapegoat. 7 While Americans have dutifully followed sun avoidance advice, the melanoma rate in the U.S. 5, 6 It’s the burning as a result of intermittent overexposure that primarily impacts your skin cancer risk. Vitamin D also improves survival outcomes for melanoma patients. However, mounting evidence now tells us sun avoidance actually raises your risk of skin cancer while higher vitamin D levels from UVB exposure are protective. It was long thought that sun exposure was the primary cause of melanoma, the most lethal form of skin cancer. As a result of this misguided advice, the field of dermatology has done tremendous harm to public health. Unfortunately, dermatologists have spent decades promoting sun avoidance 2, 3 and urging people to wear sunblock before venturing outside. So, far from being a mere aid in bone formation, vitamin D is involved in a wide range of repair and maintenance functions, influences genetic expression, helps regulate immune function and more. 1 Receptors that respond to vitamin D have been found in almost every type of human cell. It’s actually a prohormone, produced by your body from cholesterol in response to sunlight striking your bare skin.Īs a prohormone, vitamin D has enormous influence on your health, and it’s the only known substrate for a powerful repair-and-maintenance steroid hormone. Vitamin D received its name because scientists initially assumed it was a vitamin, but further research showed it had been incorrectly categorized. ![]()
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