A skin biopsy may be needed to confirm the diagnosis. In case of oral lichen planus, your physician may have to make sure that the lesions are not caused by yeast, and a biopsy is often recommended to confirm or make the diagnosis and to rule out other oral diseases including cancer (see below).
Medicare is a social insurance program that serves more than 44 million enrollees (as of 2008). The program costs about $432 billion, or 3.2% of GDP, in 2007. Medicaid is a social welfare (or social protection) program that serves about 40 million people (as of 2007) and costs about $330 billion, or 2.4% of GDP, in 2007. Together, Medicare and Medicaid represent 21% of the FY 2007 U.S. federal government.
Medical sociology is the systematic study of how humans manage issues of health and illness, disease and disorders, and health care for both the sick and the healthy. The social construction of health explains how society shapes and is shaped by medical ideas.