Or beans. Or, my southwest favorite – an omelet filled with beans. This article originally appeared on USA TODAY NETWORK: What is biotin? Symptoms of a deficiency and what it does for the body ...

high levels of exposure can be toxic, particularly to the central nervous system. Chronic manganese exposure may result in a condition known as manganism, characterized by symptoms resembling ...

high levels of exposure can be toxic, particularly to the central nervous system. Chronic manganese exposure may result in a condition known as manganism, characterized by symptoms resembling ...