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.
Definitions for common health insurance terms. Medicaid. DEFINITION: Medicaid is a health insurance program for low-income individuals and those with disabilities. Elderly low-income people are eligible for both Medicare and Medicaid. One of the provisions of the ACA was to expand Medicaid to cover additional low-income individuals and families, including childless adults.