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Excerpt from A Textbook of Pharmacology and Therapeutics, or the Action of Drugs in Health and Disease
Pmmoowuv is the study of the changes induced in living organ ism by the administration in a state of minute division of such un orppized substances sado notset marelyas foods. Msnyofthe best known of these substances are used to counteract the sd'ccis of dim, or to reinforce the tissues in their str Is to maintain their functions, when these are rendered abnormal. T ese substances are known as drugs, and the art of applying drugs in disease, is Therapeutics. Other substances are of little or no value in disease, but are of importance because they act aspoiaons, that is, muse dangerous or fatal symptoms in man or animals, when they are ingested in quantity. The practical study of the cfiecta of these isons in man - the diagnosis and the trwtment of poisoning, and methods of detecting the poison - is termed Thricology. But the explanation of the symptoms induced by chemical substances, and their study, as apart from their practical ap plications, belong to the field of pharmacology, which includes not onl the cficts of drugs and poisons, but those of any substance which induces changes in the living organism, whether those changes are of benefit to it, injurious, or quite indi¿'erent.'
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