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Gut Microbiota Research Paper

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Gut microbiota changes in our body from birth to old age. The fetal intestinal tract is sterile until birth, after which the newborn tract begins to be colonized. Infants are exposed to a great variety of microorganisms from different environments during and immediately after birth, either in their encounter with their maternal vagina or by the cutaneous microorganisms depending on the type of delivery. Infants have lower intestinal bacteria counters with less diversity in the early weeks of life. Different method of feeding influences the microbiota. Until 2-3 years old, microbiota become similar to the adult microbiota. After that, it becomes stable until old age. Genetic factors such as obesity influence the development of gut microbiota.
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