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.
In the United States, Medicare is a national social insurance program, administered by the U.S. federal government since 1966, currently using about 30 private insurance companies across the United States. Medicare provides health insurance for Americans aged 65 and older who have worked and paid into the system.