preventive medicine

preventive medicine

Efforts toward disease prevention in the community and the individual. It covers patient interviews and testing to detect risk factors; sanitary measures in homes, communities, and medical facilities; patient education; and diet and exercise programs as well as preventive drugs and surgery. It has three levels: primary (e.g., prevention of coronary heart disease in a healthy person), secondary (e.g., prevention of heart attack in a person with heart disease), and tertiary (e.g., prevention of disability and death after a heart attack). The first is by far the most economical. Important advances in preventive medicine include vaccination (see vaccine), antibiotics, diagnostic imaging, and recognition of psychological factors. See also epidemiology, immunology, industrial medicine, quarantine.

This entry comes from Encyclopædia Britannica Concise.
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