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Causes of Illness
Three major views, or paradigms, attempt to explain the causes of disease and illness: the biomedical or scientific view, the natu-ralistic or holistic perspective, and the magico-religious view.
The biomedical or scientific world view prevails in most health care settings and is embraced by most nurses and other health care providers. The basic assumptions underlying the biomedical per-spective are that all events in life have a cause and effect, that the human body functions much like a machine, and that all of real-ity can be observed and measured (eg, blood pressures, PaO2 levels, intelligence tests). One example of the biomedical or sci-entific view is the bacterial or viral explanation of communicable diseases.
The second way that some cultures explain the cause of illness is through the naturalistic or holistic perspective, a viewpoint that is found among many Native Americans, Asians, and others. Ac-cording to this view, the forces of nature must be kept in natural balance or harmony.
One example of a naturalistic belief, held by many Asian groups, is the yin/yang theory, in which health is believed to exist when all aspects of a person are in perfect balance or harmony. Rooted in the ancient Chinese philosophy of Taoism (which translates as “The Way”), the yin/yang theory proposes that all organisms and objects in the universe consist of yin and yang energy. The seat of the energy forces is within the autonomic ner-vous system, where balance between the opposing forces is main-tained during health. Yin energy represents the female and negative forces, such as emptiness, darkness, and cold, whereas the yang forces are male and positive, emitting warmth and fullness. Foods are classified as cold (yin) or hot (yang) in this theory and are transformed into yin and yang energy when metabolized by the body. Cold foods are eaten when the person has a hot illness (eg, fever, rash, sore throat, ulcer, infection), and hot foods are eaten with a cold illness (eg, cancer, headache, stomach cramps, colds). The yin/yang theory is the basis for Eastern or Chinese medicine and is embraced by some Asian Americans.
Many Hispanic, African American, and Arab groups also em-brace the hot/cold theory of health and illness. The four humors of the body—blood, phlegm, black bile, and yellow bile—regu-late basic bodily functions and are described in terms of temper-ature and moisture. The treatment of disease consists of adding or subtracting cold, heat, dryness, or wetness to restore the bal-ance of these humors. Beverages, foods, herbs, medicines, and diseases are classified as hot or cold according to their perceived effects on the body, not their physical characteristics. According to the hot/cold theory, the individual as a whole, not just a par-ticular ailment, is significant. Those who embrace the hot/cold theory maintain that health consists of a positive state of total well-being, including physical, psychological, spiritual, and social aspects of the person.
According to the naturalistic world view, breaking the laws of nature creates imbalances, chaos, and disease. People who em-brace the naturalistic paradigm use metaphors such as “the heal-ing power of Nature.” From the perspective of the Chinese, for example, illness is seen, not as an intruding agent, but as a part of life’s rhythmic course and an outward sign of disharmony within.
The third major way in which people view the world and explain the causes of illness is the magico-religious world view. This view’s basic premise is that the world is an arena in which super-natural forces dominate and that the fate of the world and those in it depends on the action of supernatural forces for good or evil. Examples of magical causes of illness include belief in voodoo or witchcraft among some African Americans and others from Caribbean countries. Faith healing is based on religious beliefs and is most prevalent among selected Christian religions, includ-ing Christian Science, while various healing rituals may be found in many other religions, such as Roman Catholicism and Mor-monism (Church of Jesus Christ of Latter Day Saints).
Of course, it is possible to hold a combination of world views, and many patients offer more than one explanation for the cause of their illness. As a profession, nursing largely embraces the scientific or biomedical world view, but some aspects of holism have begun to gain popularity, including a wide variety of techniques for managing chronic pain, such as hypnosis, therapeutic touch, and biofeedback. Belief in spiritual power is also held by many nurses who credit supernatural forces with various unexplained phe-nomena related to patients’ health and illness states.
Regardless of the view held and whether the nurse agrees with the patient’s beliefs in this regard, it is important to be aware of how people view their illness and their health and to work within this framework to promote patients’ care and well-being.
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