Why People Take Selenium

Selenium is a mineral found in soil. Selenium naturally appears in water and some foods. people only need a very small amount of selenium. Selenium plays a very big role in the metabolism. Although people don't really need a lot of selenium it goes a long way.Soil in some areas of China and Russia is naturally low in selenium. Selenium deficiencies in the Keshan region in northeast China were severe enough to spur a form of heart disease called cardiomyopathy, now called Keshan's disease. Why do people take selenium?: Selenium has brought in lots of attention because of its antioxidants. These antioxidants protect cells from damage. Among all the healthy people in the U.S., selenium deficiencies are very uncommon. Although some health conditions such as HIV,, crohns disease, and others are associated with low selenium levels. Selenium had also been studied for dozens of conditions. The ranges go from asthma to arthritis to dandruff to infertility. However, the results were all inconclusive. How much selenium should you take?:
Most people get their RDA of selenium from foods. The safe upper limit for selenium dosage is 400 micrograms a day for adults. Anything above 400 micrograms is looked at as an overdose.Taking too much selenium over time can lead to sclerosis, which can cause hair loss, nail loss, nausea, irritability, fatigue and some nerve damage. Other symptoms of chronic selenium overdose are a metallic taste in the mouth, and a garlic sent on the breath. A selenium overdose can lead to skin lesions and nervous system abnormalities. In severe cases, selenium toxicity can cause tremors, kidney failure, cardiac failure, respiratory distress or even death. Luckily, sclerosis is rare in the United