APPENDIX 537 



Bedroom air 



Sleep with windows well open every night ....... 5 



Do not sleep in draft — use window boards if necessary . . 3 



Air bedroom every day 4 



Schoolroom and study room 



See that room where you live or study is properly supplied with 

 fresh air 5 



Time in open air 

 Spend from two to three hours daily in exercise in the open air . 4 



Do Not Smoke 10 



III. Drink 

 Amount 



Drink four to six glasses of water every day 2 



Regularity 



Drink a glass of water on rising in the morning 1 



Drink two glasses of water every forenoon at regular times . 1 



Drink two glasses of water every afternoon at regular times . 1 



Sanitation 



Do not drink out of a cup used by some one else 5 



Drink only pure water from the fountain or out of a clean cup 4 



Do not drink cold water while overheated from play or work . 3 



Do not drink water containing cracked ice 2 



Tea and coffee 

 Do not drink tea or coffee 9 



IV. Exercise 

 Variety 



Two hours of out-door exercise daily. Run, skate, hike, swim, 

 or play tennis, baseball, basket ball, volley ball, hockey, or 

 any other game 20 



Only light exercise should be taken one half hour before each 

 meal or one hour after each meal 10 



WH. FITZ. — AD. BIO. — 35 



