Breast cancer is regarded as the third most common malignancy in humans and the second, after skin cancer, in women (Greenlee et al, 2000). Approximately, 150 000 women in the United States of America ...

Selenium, an 'essential trace element' often included in multimineral supplements, may not be as important as once thought. Although this trace element is essential in the diet of humans, it seems ...

High-dose supplementation with both the trace element selenium and vitamin E increase the risk of high-grade prostate cancer. But importantly, this risk depends upon a man’s selenium status before ...

Selenium is an element with a dual nature; it is a necessary micronutrient for humans and animals but becomes toxic at high concentrations. Its accumulation in water sources, resulting from both ...