CHAPTER XV 



HOW SCIENCE HELPS THE BODY IN INFECTION 



WE have seen how, through many ex- 

 cellent arrangements in our cells, we 

 manage to keep alive in spite of a great many 

 threatening conditions. In fact, good Mother 

 Nature let us again risk the phrase makes 

 a pretty good job of it, in a large proportion 

 of cases, whether we know how she does it 

 or not. But there are a great many people 

 on the earth and a great many, for them, 

 malignant bacteria. The body machines of 

 many folks are woefully abused or sadly 

 handicapped in the race of life. So in the 

 long run Nature scores many failures. If 

 you want to get an idea how many there 

 are of these, look at the death-rate from 

 bacterial diseases in any district of the United 

 States in a single year, and you will see that 



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