142 



ELEMENTS OF PHYSIOLOGY 



the case of ladies) sudden chilling from insufficient clothing 

 in the region of the chest, this exercise has serious draw- 

 backs, and often wrecks the health of the participants. 



243. Curative Effects of Exercise. 

 "He who does not find time for exercise 

 must find time for sickness " (Lord 

 Derby). Many persons in declining health 

 have insisted on doing nothing but taking 

 the nauseous doses of patent medicines, 

 or the drugs of physicians, but not their 

 advice, and have died. But a little change 

 in the habits of life, such as adding to 

 their usually sedentary work a little 

 gardening, or wood-cutting, or raising 

 flowers, or horseback riding, or wood- 

 working, or pedestrian excursions, would 

 have restored them to health and enabled 

 them to live to a happy old age. 



244. Exercise and Mental Ability. - 

 Most men who have been great workers 

 with their minds have also been zealous 

 in using their muscles. There is a flexi- 

 bility of mind and disposition that results 

 from a mixed occupation which is in great 

 contrast with the machine-like dullness and 

 narrowness of mind produced by a monoto- 

 nous, one-sided occupation, whether men- 



FlG. 127. The Veins i i >-i i ^ i 11 



near the Surface on tal or physical. Gladstone chopped down 

 trees ; Li Hung Chang walked three miles 

 v"^: daily, around the courtyards of his palace, 



the Arm. 



The fibrous sheaths w h en eighty years old ; Napoleon rode 



covering most of the . 



muscles have not been horseback ; William Cullen Bryant, upon 



rising in the morning, swung a chair around 



his head, took wand exercise with a cane, and practiced other 



gymnastics. He walked five miles to his work. Talmage, 



