Avoid the conquered pathogens
If the populations of bacteria - pathogens of chronic diseases and their owners evolve for a long time together, then pathogens become less virulent. Thus, the theory of evolution claims, empirical data evidenced. An example is the Helicobacter pylori bacterium, which colonizes the mucous membrane of the stomach and duodenum. A person has become quite resistant to this infection, as a rule, the matter is limited to inflammation. However, in some cases, people infected with H.