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UA Cancer Center team questions safety, efficacy of selenium and colorectal cancer risk

(University of Arizona Health Sciences) Selenium has been a popular nutritional supplement for decades, touted for its antioxidant properties and its role in stopping free radicals from damaging cells and DNA. Studies have shown a deficiency of this micronutrient to be associated with cancer risk. However, a UA-led study indicates selenium supplementation significantly increased the risk of developing type 2 diabetes.
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