CARE OF THE TEETH 



165 



and air, and that only by deep breathing which expels 

 much of the stagnant air which accumulates in the lungs 

 can we make them resistant against disease germs. 



Food and health. Boys and girls should eat enough, 

 but not too much. They should not eat when very tired, 

 and should eat only a light meal at night. Hard and bulky 

 foods should be included in the menu, since they tend to 

 prevent constipation. Raw foods containing vitamines 

 should always be a part of the diet, especially uncooked 

 milk, fresh fruits, and fresh vegetables, but all raw 

 foods should be carefully washed because of danger from 

 germs. 



Care of the teeth. Thorough chewing of the food is 

 necessary for good health. Many of us bolt our food, and 

 as a result suffer from indigestion. The teeth are important 

 factors in the habit of proper chewing. We can form no 

 better habit than that of properly brushing them. The 

 teeth should be brushed at least twice a day, and not only 

 the teeth but also the gums around them. Brushing up 



L" 



Results of neglect and care of teeth. 



and down rather than across the teeth is of much more 

 value, because it dislodges the food particles held between 

 the teeth, and thus prevents their decay. The teeth should 

 be examined by a dentist at least twice a year, for this will 

 save much pain and possible loss later on. Decay of the 



