These last two years, a veritable explosion of knowledge about 100,000 billion bacteria of the intestinal microbiota (intestinal flora) came enlightening and often confirm the immense spaces in probiotics and prebiotics: major modulators of the operation of the microbiota..

This famous 1014 microbiota is composed of 100 billion bacteria to bacteria (10 times the number of cells in the body). Each adult individual harbored between 800 and a thousand species in the stool. One third are common to all, two thirds are unique to each, in fact everyone has their personal profile, so barcode microbiota.

In the uterus of the mother, the baby’s gut is sterile. At birth, the newborn finds himself suddenly immersed in a world rich and varied bacterial. It will settle rapidly from maternal germ origin vaginal, intestinal, cutaneous and also the environment (care providers…). The first bacteria that colonize mainly E. Coli, streptococci.

Several recent studies also suggest a link between the use of antibiotics and the precocious onset of disease (Crohn’s disease, asthma…). Other studies show that children who have a less rich flora qualitatively and quantitatively by bifidobacteria have an increased risk to develop atopic dermatitis.