The use of antibiotics has long been linked to deprivation of gut bacteria. Now, a new study shows that the composition and function of gut bacteria can recover after antibiotic treatment in healthy people. But after six months, the gut still lack nine common beneficial bacterial species.

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The use of antibiotics has long been linked to deprivation of gut bacteria. Now, a new study shows that the composition and function of gut bacteria can recover after antibiotic treatment in healthy people. But after six months, the gut still lack nine common beneficial bacterial species.