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…and other animals are conversational; persons communicate with them by sign language. People live in close contact with their environment. By this time, reproduction of the human species is carefully controlled and a child is born only when someone…

…at The University of Massachusetts at Amherst and a member of the National Academy of Sciences, played a crucial role in introducing the theory that eukaryotic cells (cells with nuclei: protists, fungi, plants and animals) evolved through a symbiotic relationship between…

…viral drugs, drugs that modify the immune system, anti-infective drugs and anticancer drugs. Another experimental treatment, now used in France, is passive immuneotherapy. The therapy does not increase the life span of AIDS sufferers, but it may keep them…

…such as myelin basic protein have been the focus of much research because, when injected into laboratory animals, they can precipitate experimental allergic encephalomyelitis (EAE), a chronic relapsing brain and spinal cord disease that resembles MS. The injected…

…such as myelin basic protein have been the focus of much research because, when injected into laboratory animals, they can precipitate experimental allergic encephalomyelitis (EAE), a chronic relapsing brain and spinal cord disease that resembles MS. The injected…

…of patients with MS. Components of myelin such as myelin basic protein have been the focus of much research because, when injected into laboratory animals, they can precipitate experimental allergic encephalomyelitis (EAE), a chronic relapsing brain and spinal cord…

…such as myelin basic protein have been the focus of much research because, when injected into laboratory animals, they can precipitate experimental allergic encephalomyelitis (EAE), a chronic relapsing brain and spinal cord disease that resembles MS. The injected…

…can be divided further into four other subcategories. The four categories are situational phobia, fear of natural environments, animal phobias, and blood-injection-injury phobia (p521). By definition, phobias are irrational, meaning that they interfere…

…added that transplantation ``may be feasible on an experimental basis in just a few years, but I don't think it will become a widespread therapeutic technique.'' SOURCE: Nature Medicine 2000;6:249-250, 271-277. Alzheimer's risk factor…

…that lightning was due to the flashing feathers of a mystical whose flapping wings produced the sound of thunder. Today, scientific rather than mystical techniques are used to explain lightning with experimental procedures replacing intuitive concepts. Yet, we…