Exchange rate. This is the amount of foreign currency that will be generated for every dollar you send. For example, a service might have a rate of 12.48 Mexican pesos per dollar. So if you send $200, it'll convert to 2,496 pesos.
Selenium is a nutrient that the body needs to stay healthy. Selenium is important for reproduction, thyroid gland function, DNA production, and protecting the body from damage caused by free radicals and from infection.
Selenium is an essential trace mineral important for cognitive function, a healthy immune system and fertility for both men and women. Selenium is found in a variety of foods, the richest sources being Brazil nuts, seafood and organ meats. The amount of selenium in food often depends on the selenium concentration of the soil and water where the food was grown or raised. This MNT Knowledge Center feature is part of a collection of articles on the health benefits of popular vitamins and minerals.