Bacteria in the intestine, helpful residents or enemies from within?

@article{Canny2008BacteriaIT,
  title={Bacteria in the intestine, helpful residents or enemies from within?},
  author={Geraldine O. Canny and Beth Ann McCormick},
  journal={Infection and immunity},
  year={2008},
  volume={76 8},
  pages={3360-73}
}
Humans evolved in the presence of numerous microbial communities that preceded the appearance of mammals on planet Earth. The role of these microbial communities in our evolution is a matter of considerable interest. Indeed, comparative studies with germfree and conventional animals have established that the intestinal microflora is essential for the development and function of the mucosal immune system during early life, a process that is now known to be important to overall immunity in adults… CONTINUE READING