Definition of health care
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Here is a thorough definition of health care, drawing from authoritative medical textbook sources:
Definition of Health Care
Health care (also written as "healthcare") is the organized provision of services aimed at maintaining, protecting, restoring, and improving the health of individuals and communities. It encompasses the prevention, diagnosis, treatment, amelioration, and cure of disease, illness, injury, and other physical and mental impairments.
According to Wikipedia's health care entry, health care is delivered by health professionals and allied health fields, and includes primary care, secondary care, tertiary care, mental health care, and public health.
The Health System (Broader Framework)
The health system is the mechanism through which health care is delivered. It is defined as:
"The human and material resources that a nation or community deploys to preserve, protect, and restore health and to minimize suffering caused by disease and injury, and the corresponding administrative and organizational arrangements."
- Park's Textbook of Preventive and Social Medicine
The components of a health system include:
- Concepts - e.g., health and disease
- Ideas - e.g., equity, coverage, effectiveness, efficiency
- Objects - e.g., hospitals, health centres, health programmes
- Persons - e.g., providers and consumers
The ultimate aim of a health system is health development - a continuous and progressive improvement of the health status of a population.
Levels of Health Care
Health services are organized at three levels, each supported by a higher level to which patients are referred:
| Level | Description | Setting |
|---|---|---|
| Primary | First point of contact; handles most common health complaints | Primary health centres, community clinics |
| Secondary | More complex curative services; first referral level | District hospitals, community health centres |
| Tertiary | Super-specialist care; highly specialized interventions and teaching | Regional/central institutions |
Key Attributes of Health Care
Effective health care services should be:
- Comprehensive - addressing preventive, promotive, curative, and rehabilitative needs
- Community-based - reaching the population where they live
- Equitably distributed - resources allocated according to the needs of the community
- Evidence-based - selected on the basis of proven effectiveness
- Accessible - reasonably available in terms of geography and cost
The WHO Foundation
The World Health Organization's (WHO) 1948 definition of health itself underpins what health care seeks to achieve:
"A state of complete physical, mental and social well-being and not merely the absence of disease or infirmity."
Health care, therefore, is not just about treating illness - it is about supporting a person's full well-being across all dimensions.
Sources:
- Park's Textbook of Preventive and Social Medicine (Health Care Delivery & Health System sections)
- Goldman-Cecil Medicine, International Edition
- WHO - Primary Health Care
- Wikipedia: Health care
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