Whether it is a matter of medical research, food and drugs, contagious diseases, or the delivery of health care, the Public Health service plays a significant role. How the Public Health service became what it is today is really the story of Public Health in america, a story that is still unfolding. Throughout the years, the has beenealth service in the corridors of power in washington. Todays public agencies are challenged by an everchanging. Orld and they respond the centers for Disease Control and prevention protect citizens from infectious and nonInfectious Diseases. Theadministration supports training of Health Professionals and sends them to underserved areas. The National Institutes of health conduct basic research on diseases such as aids. The fda brings new drugs to the public. The Substance Abuse and mental Health Services administration provide services for mental, behavioral, andy dick disorders. The healthrelated concerns connected with and other responsibility for toxic s