Advances in medicine: the sun could reduce risk of prostate cancer
According to an article in EurekAlert, a team of researchers from several American universities has published an article in the journal Cancer Research on a study performed by them and whose results seem to show that men exposed to the sun had half the risk of developing cancer of the prostrate that those men who were exposed to the sun little or nothing. According to the results of their study, some men the risk is reduced by up to 65 percent.
Scientists believe that the sun helps reduce the risk of prostate breast cancer because the body manufactures the active form of vitamin D through exposure to sunlight. According to other investigations conducted by the same team, prostrate uses vitamin D to promote growth of normal cells and to inhibit the prostrate invasiveness and spread of breast cancer cells to other parts of the body.
According to the director of research, Prof.. Schwartz, there are some genes that determine the type of vitamin D receptors having each person. These receptors, which function as a lock and key, vary in their ability to bind vitamin D and influence the behavior of cells.
Investigators have stressed the fact that sunlight is not the only source of vitamin D, and that men should not try to reduce the risk of prostrate breast cancer sunbathing, by the risks that this entails activity of skin cancer.
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