MICROBES IN THE HUMAN BODY 49 



greater and greater place in experimental medicine. With the 

 help of their results microbiology will then attack the problem 

 of those chronic diseases, diseases of nutrition, such as gout, 

 rheumatism, and diabetes. Finally the discovery of the so- 

 called invisible viruses proves that the field of action of bacteria 

 is much wider than had been suspected and that there may 

 well exist legions of active bacteria in situations where none 

 have yet been seen. 



