2oS EXERCISE. 



This is a concife abftradl of nature's ope- 

 ration; as neceffary to conftitute fufficient 

 information to comprehend our prefent pur- 

 pofe of explicit animadverfion upon the great 

 advantage of bodily motion, fo far as it fhall 

 appear conducive to the prefervation of 

 health. Enough is confequently advanced to 

 gratify every competent idea ; and afford am- 

 ple convidlion, that fliould the body be per- 

 mitted to receive, and continue to accumulate 

 in the frame, more aliment than can be 

 abforbed into the circulation, and carried off 

 by the different emundlories in a certain por^ 

 tion of time ', over repletion, difquietude, and 

 ultimately disease, acute or chronic, mufl 

 be the inevitable confequence. 



The fyflem and effedl are too palpably 

 clear to be at all miflaken in even a theo- 

 retic furvey of the procefs ; for when the 

 blood vefTels become over-loaded with an 

 accumulated retention of perfpirable matter, 

 and the flomach and inteftines preternatu- 

 rally extended by indurated excrement (all 

 which fhould be occafionally carried off by 

 exercife) indifpofition mufl arife in a greater 



or 



