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.
1 Selenium is an essential mineral for detoxification, as it works with glutathione, which breaks down toxins in the liver. For more information on selenium see the website www.seleniumresearch.com.  You may want to do this detox diet several times during a year to keep your total body toxin level at acceptable levels.