Many feel shy to talk about bowels aloud. Maybe, for this reason do we so few know about the mightiest organ that manages our organism? Someone, maybe, shocks so frank address of researcher to the "forbidden" themes| to someone, maybe, experiments will show oneself too extreme on mise and on patients-volunteers, described in a book. Someone will doubt in omnipotence of tiny organisms, supervisory our life. And to someone supposition, that at bowels a "brain" and "nervous system" are own, in general will show oneself absurd and anti-scientific. But we will remember that a new and unknown always frighten a man, and this book is another forward step on a way to opening of secrets and riddles of our body.Surprizing facts: