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Alternative Medicine & Popular Therapies

I Alternative Medicine 

Alternative Medicine, also called unconventional medicine, therapeutic practices, techniques, and beliefs that are outside the realm of mainstream Western health care. Alternative medicine emphasizes therapies that improve quality of life, prevent disease, and address conditions that conventional medicine has limited success in curing, such as chronic back pain and certain cancers. Proponents of alternative medicine believe that these approaches to healing are safer and more natural and have been shown through experience to work. In certain countries, alternative medical practices are the most widely used methods of health care. However, many practitioners of modern conventional medicine believe these practices are unorthodox and unproven.

In a nationwide survey conducted in the United States by researchers at Harvard Medical School in 1990, one in three respondents reported using at least one unconventional therapy in the past year, and a third of these respondents visited an alternative therapist. Based on these figures, it is estimated that 61 million Americans use alternative medicine. Reports from Canada, the United Kingdom, and Australia also indicate a widespread interest in alternative therapies.

A special report prepared for the National Institutes of Health, Alternative Medicine: Expanding Medical Horizons, categorizes alternative medicine practices into six fields. The first field, mind-body intervention, explores the mind’s capacity to affect, and perhaps heal, the body. Studies have shown that the mental state has a profound effect on the immune system, and these studies have provoked interest in the mind’s role in the cause and course of cancer and other diseases. Specific mind-body interventions include meditation, hypnosis, art therapy, biofeedback, and mental healing.

Bioelectromagnetic applications, the second field of alternative medicine, make use of the body’s response to nonthermal, nonionizing radiation. Current uses involve bone repair, nerve stimulation, wound healing, treatment of osteoarthritis, and immune system stimulation.

The third field is alternative systems of medical practice. Each of these systems is characterized by a specific theory of health and disease, an educational program to teach its concepts to new practitioners, and often a legal mandate to regulate its practice. Examples include acupuncture, Ayurvedic medicine, homeopathy, and naturopathy.

Touch and manipulation are the mainstays of the manual healing methods, which constitute the fourth field of alternative medicine. Practitioners of chiropractic and massage therapy believe that dysfunction of one part of the body often affects the function of other, not necessarily connected, parts. Health is restored by manipulating bones or soft tissues or realigning body parts.

The pharmacological and biological treatments that make up the fifth field of alternative medicine consist of an assortment of drugs and vaccines not yet accepted in mainstream medicine. Compounds such as antineoplastins (from human blood and urine) for AIDS, various products of the honey bee for arthritis, and iscador (a liquid extract from mistletoe) for tumors have not been scientifically evaluated because of the expense of conducting safety and effectiveness studies.

Throughout the ages people have turned for healing to herbal medicine, the sixth field of alternative medicine. All cultures have folk medicine traditions that include the use of plants and plant products. Many licensed drugs used today originated in the herbal traditions of various cultures, such as the medication commonly used for heart failure, digitalis, which is derived from foxglove. In the United States, herbal products may be marketed only as food supplements. Since they are not regulated by the Food and Drug Administration (FDA), there is no guarantee of their purity or safety. The World Health Organization (WHO) estimates that 4 billion people, or 80 percent of the world’s population, use herbal medicine for some aspect of primary health care.

II Popular Therapies

A. Acupuncture

Acupuncture, a Chinese traditional medicine dating from 200-100 BC, involves stimulating specific points in the body for therapeutic purposes. Puncturing the skin with a needle is the usual method of application, but acupuncturists may also use heat, pressure, friction, suction, or impulses of electromagnetic energy to stimulate acupuncture points. Stimulated acupuncture points alter the chemical neurotransmitters released and the therapeutic effects result from the associated changes in the chemical balance of the body. Acupuncture is used for many ailments, including chronic pain, drug addiction, arthritis, chemotherapy-induced nausea, and mental illness.

In the past 40 years acupuncture has become a well-known and widely available treatment in both developed and developing countries. There are 29 schools of acupuncture in the United States that are accredited or candidates for accreditation by the National Accreditation Commission for Schools and Colleges of Acupuncture and Oriental Medicine. Many conventionally trained physicians take courses in acupuncture and incorporate it into their practices. Licensure or registration in acupuncture is available in 29 states plus the District of Columbia. An additional four states allow the practice of acupuncture by the ruling of the state board of medical examiners. It is estimated that from 9 to 12 million health care visits per year are for acupuncture.

Acupuncture is one of the most thoroughly researched and documented alternative medical practices. While controlled studies have demonstrated some positive effects of acupuncture on a variety of conditions, the statistical results have not been conclusive.

B. Homeopathy 

Homeopathy is a 200-year-old system of medicine that uses pills or medicinal drops made from diluted extracts of herbs and other substances. Developed by German physician Samuel Hahnemann, homeopathy is based on two main principles. The first states that a substance that can cause certain symptoms when given to a healthy person can cure those same symptoms in someone who is sick. The second states that, contrary to teachings of modern chemistry and physics, the more a substance is diluted, the more potent it becomes. Proponents of homeopathy claim there remains a so-called molecular memory of the original substance. Critics say water molecules vibrate and change constantly, so that any impressions made by a substance previously dissolved in them are quickly lost.

Each year in the United States 2.5 million people use homeopathy and make 5 million visits to homeopathic practitioners. The FDA allows homeopathic products to be sold as long as specific health claims are not made.

A number of studies in reputable scientific journals have suggested that homeopathic remedies are useful for diarrhea, asthma, hay fever, influenza, and migraine headaches. However, critics claim that these studies were flawed and that more scientifically rigorous investigations would likely show no benefit.

C. Chiropractic 

The field of chiropractic was founded by David Daniel Palmer in the 1890s. He believed that joint subluxation, or a partial dislocation, is a causal factor in disease and that removal of the subluxation by thrusting on the bony projections of the vertebrae restores health.

In addition to manipulating and adjusting bone and tissue, particularly in the spinal column, chiropractors use a variety of manual, mechanical, and electrical treatments. Chiropractors are most widely recognized for providing drug-free, non-surgical management of back and neck pain as well as of headaches. Some chiropractors also treat a variety of other ailments—such as bladder infections, arthritis, and depression—with spinal adjustments and other manipulations. Disease prevention and health promotion through proper diet, exercise, and lifestyle are other important features of chiropractic medicine.

There are about 50,000 chiropractors in the United States, and they serve up to 7 percent of the population. Licensing is required in all states. Chiropractors are allowed to use manual procedures and interventions but not surgery or chemotherapy.

D. Biofeedback   

Biofeedback is a treatment method that uses monitoring instruments to provide patients with physiological information of which they are normally unaware. In the 1960s, experimental psychologist Neal Miller demonstrated that the autonomic nervous system—which controls heart rate, blood pressure, blood flow to various organs, and gastrointestinal activity—is entirely trainable. In succeeding decades the validity of Miller’s observations was documented in thousands of articles and books, leading to widespread application of this technique. Today, biofeedback is used to treat a wide variety of conditions and diseases including stress, drug addiction, sleep disorders, epilepsy, fecal and urinary incontinence, headaches, and high blood pressure.

By watching a monitoring device, patients can learn by trial and error to adjust their mental processes in order to control bodily processes. Electrodes are attached to the area of the patient being monitored—for instance, to the involved muscles during muscle therapy, or to the head during brain-wave monitoring. These electrodes feed the electrical information to a small monitoring box. The results are registered by a tone that varies in pitch or by a visual meter that varies in brightness as the function being monitored changes. The patient engages in mental exercises, in an attempt to reach the desired result, such as muscle relaxation or contraction. Voluntary control may be achieved in as few as ten sessions, although chronic or severe disorders may require longer therapy. Eventually, patients may learn to control symptoms without the use of the monitoring device.

E. Naturopathy  

Naturopathy was founded in the beginning of the 20th century by a group of therapists who were followers of Sebastian Kneipp, a 19th-century proponent of the healing powers of nature. At the height of its popularity, there were more than 20 naturopathic medical schools (today there are only three) in the United States and naturopathic physicians were licensed in most states. The practice of naturopathic medicine declined as the use of pharmaceutical drugs increased. However, in the past several decades there has been a resurgence of interest in naturopathy.

Naturopathic medicine integrates alternative medical practices—such as botanical medicine, homeopathy, acupuncture, and Oriental medicine—with modern scientific diagnostic methods and standards of care. Naturopathic physicians are trained in conventional medical disciplines as well as in alternative approaches. They integrate this knowledge according to principles that recognize the body’s inherent ability to heal itself, the importance of prevention, and the possibility of therapeutic use of nutrition to promote health and fight disease.

Most of the research on naturopathy has been based on observation of treatments rather than on controlled clinical trials that compare naturopathic therapy with no treatment (a placebo) or with an alternative treatment.

III CURRENT OUTLOOK  

There remains considerable skepticism among practitioners of conventional medicine and among biomedical researchers regarding the efficacy of alternative medicine. Many of the claims made by practitioners of alternative medicine have not been supported by rigorously controlled scientific study. However, this may change as a result of the creation of the National Institutes of Health Office of Alternative Medicine (OAM). The OAM was established by the Congress of the United States in 1992 to facilitate the fair scientific evaluation of alternative therapies. The office seeks to reduce barriers that may keep promising alternative therapies from gaining widespread use. It is possible that what was considered alternative in the past will become mainstream in years to come.


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