Multiple endocrine neoplasia is a group of disorders that affect the body's network of hormone-producing glands called the endocrine system. Hormones are chemical messengers that travel through the bloodstream and regulate the function of cells an...

Brucellosis is an infectious disease that affects livestock and may be transmitted to humans. It is rare in the United States, but occurs more frequently in other parts of the world. The disorder is caused by one of four different species of bacte...