HOW DO WE USE FOODS? 



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tried with large numbers of people show one thing very 

 plainly that a varied diet is most important. We need 

 foods of all kinds. In order to keep well, work, and grow, 

 we must have protective foods, growth foods, and fuel 

 foods. These foods are usually found plentifully all 

 about us no matter where we live. So for this reason 

 people have been able to get along pretty well in the past, 

 even though they did not know much about the reasons 

 for eating certain foods. 



Green Vegetables Important. In the days before 

 refrigeration was known, the late winter found the stock 

 of vegetables getting low and no green food was left. 

 People began to be ill, they were unable to resist disease, 

 and went to the doctor or the drug store for spring bitters 

 or blood purifiers. As spring came on, they began to 

 feel better and attributed their improvement to the medi- 

 cines. In reality it was the change in diet, brought about 

 by the fact that green vegetables and salads were again 

 available. 



Fuel Foods. Your body is like an engine because it 

 does work and uses fuel. Certain kinds of food burn 

 better than others. You can prove this by actually 

 burning a piece of bread, some fat, and a piece of meat 



