Selenium is an essential toxin that functions as essential micronutrient for maintaining good
health with a small safety margin, but is toxic at slightly higher concentrations or doses. It is …

Selenium is an indispensable trace element for humans and other organisms; however,
excessive selenium in water can jeopardize the aquatic environment. Investigations on the …

10Selenium is an essential trace element needed for all living organisms. Despite its
essentiality, selenium is a potential toxic element to natural ecosystems due to its …

Selenium is an essential element since it is necessary for metabolism and is also toxic to the
living things if it is consumed above the desirable limit. For instance, up to 40 µg per d of …

After major pollution by nitrates and pesticides, soils and groundwater in some parts of the
world are now facing the emergence of a third major issue of selenium (Se) contamination …

Selenium has been extensively evaluated clinically as a chemopreventive agent with
variable results depending on the type and dose of selenium used. Selenium species are …

Selenium (Se) is an element that has a pro-health effect on humans and animals. However,
both the deficiency of this element and its excess may prove harmful to the body depending …

Selenium is an essential micronutrient required for natural biological systems such as anti-
oxidative systems. Despite such beneficial aspect, contamination of selenium and its …

Selenium (Se) is an important microelement with numerous positive effects on human health
and diseases. It is important to specify that the status and consumption of Se are for a …

In humans, selenium was hypothesized to lower the risk of several chronic diseases, mainly
due to the antioxidant activity of selenium-containing proteins. Recent epidemiologic and …