Health care is the diagnosis, treatment and prevention of disease, illness, injury, and other physical and mental impairments in humans. Health care is delivered by practitioners inmedicine, chiropractic, dentistry, nursing, pharmacy and allied health. The exact configuration of health care systems varies from country to country, but in all cases requires a robust financing mechanism; a well-trained and adequately paid workforce; reliable information on which to base decisions and policies; and well maintained facilities and logistics to deliver quality medicines and technologies
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