Public health refers to "the science and art of preventing sickness, prolonging life and promoting health through organized efforts and enlightened decisions of society, organizations, public and personal, communities and people." it's involved with threats to health supported population health analysis. The population in question may be as tiny as a few of individuals, or as massive as all the inhabitants of many continents (for instance, within the case of a pandemic). The scale of health will include "a state of complete physical, mental and social well-being and not just the absence of sickness or infirmity", as outlined by the United Nations' World Health Organization. Public health incorporates the knowledge base approaches of medical specialty, biostatistics and health services. Environmental health, community health, behavioural health, health political economy, public policy, insurance drugs, mental state and activity safety and health area unit different necessary subfields.
The focus of public health intervention is to enhance health and quality of life through interference and treatment of sickness and different physical and mental state conditions. This is often done through police investigation of cases and health indicators, and thru promotion of healthy behaviours. Samples of common public health measures embody promotion of hand laundry, breastfeeding, delivery of vaccinations, and distribution of condoms to unfold of sexually transmitted diseases. Modern public health follow needs multidisciplinary groups of public medical experts and professionals together with physicians specializing publically health/community medicine/infectious sickness, psychologists, epidemiologists, biostatisticians, medical assistants or Assistant Medical Officers, public health nurses, midwives, medical microbiologists, environmental health officers / public health inspectors, pharmacists, dentists, dieticians and nutritionists, veterinarians, public health engineers, public health lawyers, sociologists, community development employees, communications specialists, bioethicists, scientists, informaticians, and others.
- Public Health and General Preventive Medicine
- Public Health Services and Law