PROPER AMOUNTS OF FOOD 331 



so we need more fuel foods. Then we are likely to exercise 

 harder in cold weather which means more food and 

 more fuel food. We find the inhabitants of the polar 

 regions live largely on animal fats and meats, while those 

 living in the tropics eat largely fruits and vegetables with 

 little meat. Can you give at least two reasons why this 

 is so? 



Calories needed daily for each pound of body weight 



Under 1 year 40 to 43 



during 2nd year.... 40 to 43 

 during 3rd year.... 37 to 40 

 during 4th year.... 37 to 40 

 during 5th year.... 35 to 37 

 during 6th year.... 34 to 35 

 during 7th year.. ..32 to 34 

 during 8th year.... 30 to 35 

 during 9th year.... 30 to 35 

 during 10thVear...28 to 32 

 during llth year.. .28 to 32 

 during 12th year... 28 to 32 

 during 13th year.. .25 to 30 

 during 14th year.. .20 to 25 

 during 15th year. ..20 to 25 

 during 16th year.. .20 to 25 

 17th year and up depends on body activity 



All Types of Foods Necessary. We must not think be- 

 cause we can estimate our needs in Calories that we should 

 eat only fuel foods. Body-building foods are necessary as 

 are regulative and protective foods. But protein foods can 

 be used to release energy as well as to build and repair 

 tissues. And many of our regulative foods, especially 

 vegetables and fruits, are good sources of energy. In 

 selecting foods the most important rule is to get a variety 

 of foods, for in this way we will meet all the body needs. 



What Proportion of the Diet Should Be Proteins ? Ex- 

 periments have been made that show that as Americans 

 we eat relatively more proteins than many other peoples. 

 Most people eat too much protein food and not enough 

 green vegetables and fruits. It is estimated that about 



