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. A federally funded health program established in 1965 to assist with the medical care costs of Americans 65 years of age and older as well as other individuals entitled to Social Security benefits owing to their disabilities.