420 PRACTICAL HYGIENE 



portunity for doing what is known to be best for the body, 

 yet study and work that have for their aim the preserva- 

 tion or improvement of the health are always worth while. 

 Health is its own reward. The expression of the poet, 



" Each morn to feel a fresh delight to wake to life, 



To rise with bounding pulse to meet whate'er of work, of care, of strife, 

 day brings to me," 



suggests the joy of being well. But the ultimate realiza- 

 tion of one's aims and ambitions in life and the actual 

 prolongation of one's period of usefulness are higJicr and 

 more enduring rewards. 



Exercises. i. Summarize the different laws of hygiene. Upon 

 what one fundamental law are these based ? 



2. State the important differences between a condition of health 

 and one of disease. 



3. In what general ways may disease originate in the body ? 



4. Describe a model sanitary home. With what special hygienic 

 problems has the housekeeper to deal ? 



5. Describe a method of collecting a wholesome supply of cistern 

 water. State possible objections to well and spring water. 



6. What means may be employed in preventing the spread of con- 

 tagious diseases ? 



7. By what means are malaria, typhoid fever, diphtheria, and tuber- 

 culosis spread from one individual to another ? 



8. Why are extra precautions necessary in the recovery from certain 

 diseases, as typhoid fever, diphtheria, and scarlet fever ? 



9. How may one's vocation become a cause of disease ? What 

 conditions in the life of a student may, if uncounteracted, lead to poor 

 health ? 



10. Of what special value are the parks and pleasure grounds in a 

 city to the health of its inhabitants ? 



11. Discuss the hygienic value of work. 



12. What conditions lead to the continuance of habit-forming sub- 

 stances after their use has become general ? 



13. How is it possible for one not using alcohol to be injured by 

 this substance ? 



14. Discuss the effect of alcoholic abuse upon social environment. 



15. Summarize the rewards of hygienic living. 



