Thursday, September 30, 2010

Increasing Selenium Intake Decreases Cancer Risk

Selenium is a trace mineral that is incorporated into proteins to make selenoproteins, which act as strong antioxidants to help prevent free radical damage to your cells. It is because of its potent antioxidant properties that selenium may benefit cancer, heart disease, cognitive decline, cataracts, macular degeneration, cold sores, shingles and osteoarthritis.

According to the latest research, people with higher selenium intakes had a 39 percent reduced risk of bladder cancer, which is right in line with prior studies that have linked the mineral to lower rates of breast, prostate, lung, colorectal and skin cancer as well.

A 1996 study by Dr. Larry Clark of the University of Arizona also showed just how effective selenium can be in protecting against cancer. In the study of 1,300 older people, the occurrence of cancer among those who took 200 micrograms of selenium daily for about seven years was reduced by 42 percent compared to those given a placebo.

Cancer deaths for those taking the selenium were cut almost in half, according to the study. In addition, the men who took selenium had 63 percent fewer prostate cancers, 58 percent fewer colorectal cancers, 46 percent fewer lung cancers.

With selenium, the dose makes all the difference. A daily dose of between 150-300 micrograms is generally safe for the average adult.

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