Medicine The functions now carried out by the institution of medicine were once embedded in the activities of the family and religious institutions. o The U.S. Health Care Delivery System. In recent decades the medical care industry has grown appreciably larger, consuming about 15 percent of the nation's gross domestic product. Hospitals, physicians, and nurses comprise central roles in the health care delivery system. o Rising Health Care Costs: Is Managed Care the Answer? Soaring health care costs have led to new arrangements for financing it. Managed care arrangements are part of many traditional insurance plans. They also form the basis for health maintenance and preferred provider organizations. o Alternatives to the U.S. Health Care System: A Global Perspective. Health care is managed differently in different countries. In China health care is provided at essentially no charge for most citizens. In Great Britain 90 percent of the funding for its National Health Service comes from general taxation. In Kenya a
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