Healthcare is a vast service industry focused on improving and maintaining the health of individuals and communities. It encompasses the prevention, diagnosis, treatment, and management of illnesses, injuries, and other physical and mental impairments. Key aspects of healthcare include the provision of services, the resources (human, financial, and physical) needed to deliver those services, and the organization of these resources to achieve optimal health outcomes.

Medicare is a government national health insurance program in the United States, begun in 1965 under the Social Security Administration (SSA) and now administered by the Centers for Medicare and Medicaid Services (CMS).

It primarily provides health insurance for Americans aged 65 and older, but also for some younger people with disability status as determined by the SSA, including people with end stage renal disease and amyotrophic lateral sclerosis (ALS or Lou Gehrig’s disease).

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The Medicare category has related posts on government agencies and departments and  committees and their Chairs.