Many of us take vitamins on a regular basic and this is particularly true as we start to get a bit older. However, in the case of men, and particularly men with a family history of prostate cancer, they could be doing themselves more harm than good. comprar viagra
In a five year study carried out by the National Cancer Institute and involving nearly 300,000 men it was found that men who were regularly taking more than the recommended daily dose of one multi-vitamin tablet a day increased their risk from advanced prostate cancer by about thirty percent. In addition, the risk of death from advanced prostate cancer was doubled. The study also noted that there was an increased risk in a sub-group of men who also had a family history of prostate cancer or who also took selenium, beta-carotene and zinc supplements. acquisto cialis
One important finding of this study was that there was no apparent increase in the overall rate of prostate cancer within the study group and so there is no suggestion that the excessive use of vitamins actually causes prostate cancer. kaufen viagra
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