DIGESTION - Microbes help to battle infection: Gut microbes help develop immune cells, study finds

Beneficial gut bacteria are necessary for the development of innate immune cells -- specialized types of white blood cells that serve as the body's first line of defense against invading pathogens -- new research has found. The research suggests that a healthy population of gut microbes can actually provide a preventative alternative to antibiotics ...

http://www.sciencedaily.com/releases/2014/03/140312132632.ht