Selenium-part of the enzyme glutathione peroxidase (GPx). Glutathione peroxidases, also known as selenoproteins, are a family of antioxidant enzymes that speed up the reaction between glutathione and free radicals.itamin C â as an antioxidant it assists glutathione in this function and has been shown scientifically to raise glutathione levels short term; it is recycled by glutathione from its oxidized state back to its active state, thus strengthening antioxidant defenses; vitamin C also recycles vitamin E and alpha lipoic acid.
Environmental studies is the interdisciplinary academic field which systematically studies human interaction with the environment in the interests of solving complex problems. It is a broad field of study that includes also the natural environment, built environment, and the sets of relationships between them.
Goals for the benefit of people and natural systems, commonly expressed by environmental scientists and environmentalists include: 1  Elimination of pollution and toxicants in air, water, soil, buildings, manufactured goods, and food. 2  Preservation of biodiversity and protection of endangered species.