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Health care, or healthcare, is the treatment and management of illness, and the preservation of health through services offered by the Psychology medical, pharmaceutical, dental, clinical laboratory sciences (in vitro diagnostics), nursing, and allied health professions. Health care services embrace all the provision designed to promote health, including “preventive, curative and palliative interventions, whether directed to individuals or to populations”. The organised provision of such services may constitute a health care system. This can include specific governmental organizations such as, in the UK, the National Health Service or a cooperation across the National Health Service and social services as in shared care and Integrated services.
For psychologists health care services include:
Health care can encompass a wide number of settings - from the informal (house calls, emergency medicine at an accident spot) to settings like nursing homes or rest homes, to 'typical' medical settings like doctor's practices, clinics and hospitals.
- Main article: Health care industry
The health care industry is considered an industry or profession which includes peoples' exercise of skill or judgment or the providing of a service related to the preservation or improvement of the health of individuals or the treatment or care of individuals who are injured, sick, disabled, or infirm. The delivery of modern health care depends on an expanding group of trained professionals coming together as an interdisciplinary team.
Consuming just under 10 percent of gross domestic product of most developed nations, health care can form an enormous part of a country's economy. In 2003, health care costs paid to hospitals, physicians, nursing homes, diagnostic laboratories, pharmacies, medical device manufacturers and other components of the health care system, consumed 16.3 percent of the GDP of the United States, the largest of any country in the world. For the United States, the health share of gross domestic product (GDP) is expected to hold steady in 2006 before resuming its historical upward trend, reaching 19.5 percent of GDP by 2016. In 2001, for the OECD countries the average was 8.4 percent with the United States (13.9%), Switzerland (10.9%), and Germany (10.7%) being the top three.
- Main article: Health care systems
A single-payer universal health care system will save money through reduced bureaucratic administration costs. Social health insurance is where the whole population or most of the population is a member of a sickness insurance company. Most health services are provided by private enterprises which act as contractors, billing the government for patient care. In almost every country with a government health care system a parallel private system is allowed to operate. This is sometimes referred to as two-tier health care. The scale, extent, and funding of these private systems is very variable.
A traditional view is that improvements in health result from advancements in medical science. The medical model of health focuses on the eradication of illness through diagnosis and effective treatment. In contrast, the social model of health places emphasis on changes that can be made in society and in people's own lifestyles to make the population healthier. It defines illness from the point of view of the individual's functioning within their society rather than by monitoring for changes in biological or physiological signs.
- Main article: Health care provider
A health care provider or health professional is an organization or person who delivers proper health care in a systematic way professionally to any individual in need of health care services. A health care provider could be government, the health care industry, a health care equipment company, an institution such as a hospital or medical laboratory, physicians, dentists, support staff, nurses, therapists, psychologists, pharmacists, chiropractors, and optometrists.
Health care by country
- Main article: Health care systems
Template:Topic by country
- Main article: Health care economics
Health care economics consists of a complicated relationship between a number of participants; the consumer, insurance companies (where they exist), employers, medical professionals, and various government entities. An essential feature of health care economics is the spreading of risk, since the cost of health care for catastrophic illness can be prohibitive. This risk may be spread by private insurance companies (who seek to make a profit), or by government involvement in the health care market. The health care market can suffer from a number of problems which are so severe as to be characterized by some as market failure.
- Adverse selection in insurance markets occurs because those providing insurance wish to limit insurance payouts, thus providing a profit. In simple terms, those with poor health will apply for insurance, raising the cost of providing insurance; those with good health will find the cost of insurance too expensive, raising costs further. Private insurers are economically incentivized to spend substantial sums on investigating the health history of prospective clients and proving those in need to be uninsurable while charging higher premiums for unhealthy individuals, which they may not be able to afford in order to provide a "profit margin". 
- Moral hazard in insurance markets occurs when the insured behave in a riskier manner than they would if they were not insured. This argument is significantly weakened when speaking of health care which becomes more prevalent with age for example, regardless of other factors.
Among the potential solutions posited by economists are:
- Various forms of universal health insurance, such as requiring all citizens to purchase insurance, limiting the ability of insurance companies to deny insurance to individuals or vary price between individuals. Compulsory universal health insurance is a common thread, although there is no requirement that the insurance or medical services be provided by government, no accountability amongst insurers, and no protection against rising health insurance costs.
- Decreased government regulation: Conservative Republican US Senator Bill Frist argued that the free market will keep costs down, because individuals who have to pay for their own health care will make wiser decisions and not spend money on unneeded or inefficient care. However, as this cuts down on the routine maintenance of care and penalizes the afflicted who can least afford to pay for care, the overall health statistics of the country decline. The US currently (2007) has the most expensive health care of any OECD country and also has the highest percentage of costs paid privately with some of the worst health statistics in the free world. This also foists more expensive "consumers" of the product on to the public sector.
|Country||Life expectancy||Infant mortality rate||Physicians per 1000 people||Nurses per 1000 people||Per capita expenditure on health (USD)||Healthcare costs as a percent of GDP||% of government revenue spent on health||% of health costs paid by government||% of health costs paid private insurance ||% of health costs paid by consumer|
Most European systems are financed through a mix of public and private contributions, much like the United States, only costing less. The majority of universal health care systems are funded primarily by tax revenue (e.g. Portugal). Some nations, such as Germany, France and Japan employ a multi-payer system in which health care is funded by private and public contributions. In 2001 Canadians paid $2,163 per capita versus $4,887 U.S., according to the Los Angeles Times (also, see table above). According to Dr. Stephen Bezruchka, a senior lecturer in the School of Public Health at the University of Washington in Seattle, Canadians do better by every health care measure. According to a World Health Organization report published in 2003, life expectancy at birth in Canada is 79.8 years, versus 77.3 in the U.S.
A distinction is also made between municipal and national healthcare funding. For example, one model is that the bulk of the healthcare is funded by the municipality, speciality healthcare is provided and possibly funded by a larger entity, such as a municipal co-operation board or the state, and the medications are paid by a state agency. No entirely private health care system exists, although the reform bill in Massachusetts attempts to make private health care more affordable while failing miserably and increasing costs for average families.
- Main article: Health care politics
The politics of health care depends largely on which country one is in. Current concerns in England, for instance, revolve around the use of private finance initiatives to build hospitals or the excessive use of targets in cutting waiting lists. In Germany and France, concerns are more based on the rising cost of drugs to the governments. In Brazil, an important political issue is the breach of intellectual property rights, or patents, for the domestic manufacture of antiretroviral drugs used in the treatment of HIV/AIDS.
The South African government, whose population sets the record for HIV infections, came under pressure for its refusal to admit there is any connection with AIDS because of the cost it would have involved. In the United States 12% to 16% of the citizens are still unable to afford health insurance. State boards and the Department of Health regulate inpatient care to reduce the national health care deficit. To tackle the problems of the perpetually increasing number of uninsured, and costs associated with the US health care system, President Barack Obama says he favors the creation of a universal health care system . However, New York Times columnist Paul Krugman said that Obama's plan would not actually provide universal coverage. (In contrast, Dennis Kucinich, an early candidate who did not get on the ballot, supported a single-payer system.) Factcheck.org said that Obama's predicted savings were exaggerated. 
- Main article: World Health Organization
- See also: Global health
The World Health Organization (WHO) is a specialised United Nations agency which acts as a coordinator and researcher for public health around the world. Established on 7 April 1948, and headquartered in Geneva, Switzerland, the agency inherited the mandate and resources of its predecessor, the Health Organization, which had been an agency of the League of Nations. The WHO's constitution states that its mission "is the attainment by all peoples of the highest possible level of health." Its major task is to combat disease, especially key infectious diseases, and to promote the general health of the peoples of the world. Examples of its work include years of fighting smallpox. In 1979 the WHO declared that the disease had been eradicated - the first disease in history to be completely eliminated by deliberate human design. The WHO is nearing success in developing vaccines against malaria and schistosomiasis and aims to eradicate polio within the next few years. The organization has already endorsed the world's first official HIV/AIDS Toolkit for Zimbabwe from October 3 2006, making it an international standard.
The WHO is financed by contributions from member states and from donors. In recent years the WHO's work has involved more collaboration, currently around 80 such partnerships, with NGOs and the pharmaceutical industry, as well as with foundations such as the Bill and Melinda Gates Foundation and the Rockefeller Foundation. Voluntary contributions to the WHO from national and local governments, foundations and NGOs, other UN organizations, and the private sector (including pharmaceutical companies), now exceed that of assessed contributions (dues) from its 193 member nations.
- Acronyms in healthcare
- Community services
- Cost containment
- Elderly care
- Fee for service
- Globalization and Health
- Healthcare by country
- Health care administration
- Health care costs
- Health care delivery
- Health care system
- Health care policy
- Health care provider
- Health care proxy
- Healthcare reform
- Health care seeking behavior
- Health care utilization
- Health disparities
- Health economics
- Health informatics
- Health law
- Health maintenance organizations
- Health promotion
- Health science
- Health service needs
- Integrated services
- Managed care
- Medical ethics
- Mental health programs
- Philosophy of Healthcare
- Outreach programs
- Prenatal care
- Publicly-funded health care
- Quality of care
- Quality of services
- School health services
- Self referral
- Single-payer health care
- Social casework
- Youth health
- World Health Organization Report. (2000). "Why do health systems matter?", WHO.
- Princeton University. (2007). health profession. Retrieved June 17, 2007, from http://wordnet.princeton.edu/perl/webwn?s=health%20profession
- United States Department of Labor. (2007, February 27). Health Care Industry Information. Retrieved June 17, 2007, from http://www.doleta.gov/BRG/Indprof/Health.cfm
- From Centers for Medicare & Medicaid Services
- "The Not So Short Introduction to Health Care in US", by Nainil C. Chheda, published in February 2007, Accessed February 26, 2007.
- OECD data
- Massachusetts Nursing Association. "Single Payer Health Care: A Nurses Guide to Single Payer Reform."
- CBC Health Care Private verses Public
- Bond J. & Bond S. (1994). Sociology and Health care, Churchill Livingstone.
- Michael Rothschild and Joseph Stiglitz, "Equilibrium in Competitive Insurance Markets: An Essay on the Economics of Imperfect Information," Quarterly Journal of Economics, November 1976 (90:629-649) (known as the Rothschild-Stiglitz Model)
- Paulo Belli, How Adverse Selection Affects the Health Insurance Market
- William H. Frist, Shattuck Lecture: Health Care in the 21st Century, New England Journal of Medicine, 20 Jan 2005, 352(3):267
- Core Health Indicators
- OECD Health data 2007
- Bentes M, Dias CM, Sakellarides C, Bankauskaite V. Health Care Systems in Transition: Portuagal. WHO are Regional Offices for Europe on behalf of the European Observatory on Health Systems and Policies, 2004.
- Physicians for a National Health Program"International Health Systems".
- Chua, Kao-Ping. "Single Payer 101". February 10, 2006.
- Foreman, Judy. In Health, Canada Tops US; Our neighbors to the north live longer and pay less for care. The reasons why are being debated, but some cite the gap between rich and poor in the US. Los Angeles Times. URL accessed on 2007-07-03.
- BBC News: Controversy dogs Aids forum
- The Time Has Come for Universal Health Care | U.S. Senator Barack Obama
- Clinton, Obama, Insurance, By Paul Krugman, February 4, 2008.
- Obama's Inflated Health Savings
- Xinhua - English
- Implementation of budget resolutions. World Health Organization. URL accessed on 2007-06-20.
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