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Many specialists have their own theories about illness and health. As an example, a California physiologist (someone who studies biology) has written books with the titles The Cure for All Diseases and The Cure for All Cancers She says there are only two causes of disease: (1) pollution of the environment and (2) parasites (harmful plants and animals that feed on living things) inside the human body. To prevent or cure the illnesses that these parasitic bacteria and viruses cause, she offers (tries to sell) two kinds of health products on the Internet and in other places: electronic machines and herbal medicines. The scientist claims that two beneficial effects of these items in humans and animals are (1) to clean out the body freeing it of parasites and (2) to rebuild new healthy living cells. According to her theories, people will feel better and live longer as a result. In addition, other medical experts recommend kinds of natural, nontraditional, or non-Western remedies for modern health disorders such as heart disease, cancer, asthma. what is the main idea of this paragraph?
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Answer:
As we move into the new millennium it is becoming increasingly clear that the biomedical sciences are entering the most exciting phase of their development. Paradoxically, medical practice is also passing through a phase of increasing uncertainty, in both industrial and developing countries. Industrial countries have not been able to solve the problem of the spiraling costs of health care resulting from technological development, public expectations, and—in particular—the rapidly increasing size of their elderly populations. The people of many developing countries are still living in dire poverty with dysfunctional health care systems and extremely limited access to basic medical care.
Against this complex background, this chapter examines the role of science and technology for disease control in the past and present and assesses the potential of the remarkable developments in the basic biomedical sciences for global health care.