Introduction
The history of health care in the United States can be traced from back in 1920s. The health care system has evolved over the decades from basic medical discoveries to most cutting-edge and complex system. These discoveries have contributed to expansion and improvement of health care. For instance, the invention of adhesive bandage in 1923 while the first cancer hospital was opened in New York City in 1921. During this period, vitamin D was commercially synthesized and manufactured for consumption in US. In 1929, the first air ambulance was launched.
In 1931, the first antiacid was in supply ...