1 The Causes, Treatments, and Symptoms of Acute Thyroiditis The thyroid gland is a butterfly-shaped gland located in the middle of the lower neck. 2  Its main purpose is to control the body's metabolism, which is the rate at which your bâ¦.
Medicare is divided into a hospital insurance program and a supplementary medical insurance program. The Medicare hospital insurance plan is funded through Social Security payroll taxes.
What is Medicare? Medicare is the main insurance for people 65 and older and also provides coverage for some people with disabilities. It is the nation's largest health insurance program - covering 49 million Americans in 2012. The federal Centers for Medicare and Medicaid Services (CMS), which runs the program, provides lots of information on its Medicare website.