CHAP. I. Of the Sources and Causes of Chronical Distempersin general
Parts, which are not required for the ani-. mal Fundtions, or to feparate thofe Juices which are required for the Prefervation o f the Individual. Thefe are the moft effe&ual, general and immediate Caufes of all chronical Diftempers, of which, when any one is, in any eminent Degree, become habitual, the other two fpring up, or follow very foon, and join with it in producing the various Symp toms of thefe Diforders. Other Specialities and Circumftances may concur with them, but they would ‘'have little FlTeit, if thefe could be fuppofed abfent or removed.