Preventive Medicine is the care and measures taken to prevent illness. Professional preventive care includes examinations and screening tests tailored to a patient's age, health, and family history. In addition to avoiding the initial development of diseases, preventive medicine also includes preventing the worsening of diseases that have already developed.
Preventive medicine specialists are doctors who develop ways to prevent disease and keep people from becoming ill or getting injured. They focus on the health of communities, specific populations and individuals. Doctors in this specialty research, develop and implement ways to prevent disease, decrease disability and maintain health. Some typical duties may include teaching medical staff ways to reduce the spread of infection, directing public health programs and determining the causes of disease. Preventive medicine specialists may also evaluate the effectiveness of treatments for various diseases.