The achievements of modern pharmacology may be regarded as twofold in character—scientific, by virtue of its contribution to physiology, and practical, on account of its service to therapeutics. By means of chemical substances we have been able to obtain valuable information concerning the physiologic processes in the lower organisms as well as in higher animals. We have increased our knowledge and broadened our ideas of metabolism in different species of animals, and learned that animals differing widely in structure may yet closely resemble each other physiologically. We have also learned, on the other hand, that important metabolic differences may exist even in forms which are closely allied, and which differ but little or not at all in their mode of living and environment..
The most important achievement, however, of modern pharmacology is its contribution to therapeutics. Not only can we lessen or abolish pain by means of chemical substances, but
SALANT W. THE ACTION OF DRUGS IN PATHOLOGIC CONDITIONS. JAMA. 1912;LVIII(4):244–249. doi:10.1001/jama.1912.04260010246005
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