The organization and daily routine of a wagon train depended on the danger expected from the Native American tribes into whose territory it had traveled, the terrain, and the size of the caravan. Mormon trains, in particular, had a semi military formation.
Side effects. Taken at normal doses, selenium does not usually have side effects. An overdose of selenium may cause bad breath, fever, and nausea, as well as liver, kidney and heart problems and other symptoms. At high enough levels, selenium could cause death.
Selenium is an essential mineral found in minute amounts in the body. It is one of the essential body substances that can be used in a preventive manner for many diseases, including cancer, arteriosclerosis, stroke, cirrhosis, arthritis and emphysema. Selenium functions either alone or with enzymes.