Studies about vitamin D and melanoma:

Increased UVA Exposures and Decreased Cutaneous Vitamin D3 Levels May Be Responsible for the Increasing Incidence of Melanoma (2009)

Conclusion: Low vitamin D levels resulting from a lack of direct, midday sun exposure increase the risk of developing melanoma skin cancer


Serum 25-Hydroxyvitamin D3 Levels Are Associated with Breslow Thickness At Presentation and Survival From Melanoma (2009)

Conclusion: Melanoma patients with higher vitamin D levels at the time of diagnosis have higher survival rates


Sun Exposure Prior to Diagnosis is Associated with Improved Survival in Melanoma Patients: Results from a Long-Term Follow-Up Study of Italian Patients (2008)

Conclusion: Melanoma skin cancer patients who enjoy more sun exposure over their lifetimes enjoy higher survival rates


Sun Exposure and Mortality from Melanoma (2005)

Conclusion: “Sun exposure is associated with increased survival from melanoma.”


Is there more than one road to melanoma? (2004)

Conclusion: Outdoor workers are at a lower risk of developing melanoma skin cancer compared to indoor workers.


The Influence of Painful Sunburns and Lifetime Sun Exposure on the Risk of Actinic Keratoses, Seborrheic Warts, Melanocytic Nevi, Atypical Nevi, and Skin Cancer (2003)

Conclusion: While chronic lifetime sun exposure is associated with an increased risk for non-melanoma skin cancer, lifetime sun exposure is also associated with a decreased risk for deadly melanoma skin cancer


Epidemiologic Evidence for Different Roles of Ultraviolet A and B Radiation in Melanoma Mortality Rates (2003)

Conclusion: People who get more exposure to strong UVB sunlight have lower rates of melanoma mortality.


Malignant Melanoma in U.S. Navy Personnel (1989)

Conclusion: Navy personnel who work indoors have an increased incidence of melanoma skin cancer compared to personnel who work outdoors.


Melanoma and Other Tumours of the Skin Among Office, Other Indoor and Outdoor Workers in Sweden 1961-1979 (1986)

Conclusion: In Sweden, indoor office workers have been found to have higher rates of malignant melanoma skin cancer than outdoor workers. Those who get more sun exposure have less melanoma skin cancer.


1,25-Dihydroxyvitamin D3 and Malignant Melanoma: The Presence of Receptors and Inhibition of Cell Growth in Culture (1981)

Conclusion: Vitamin D has been proven to inhibit proliferation of melanoma cells in vitro.


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