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.
Medicare is a form of social insurance, and is an entitlement to health care services, as authorized by Congress. Medicare enrollees include the elderly (aged 65+), the disabled, people with end-stage renal disease, and people with Lou Gehrig's disease.