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.
1 Ecologists employed by environmental consulting companies may assess the environmental impacts of clients' projects, and design sustainable practices to minimize negative effects. 2  Researchers and research assistants conduct research in the field and in labs to answer questions how species and their environment interact.