Trust your gut, it controls more than you may know

Most people are familiar with the role of DNA: A set of genetic instructions on how a particular living organism should function. This nucleic acid has been widely explored as a way to identify individuals, define illnesses or hereditary diseases and contribute to behavior, among many other clues about an individual. However, there may be another complex feature of human anatomy that influences many surprising aspects of human physiology, immunity and evolution: gut flora.

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