Quote by: Robin Marantz Henig

In the womb, humans are free of microbes. Colonization begins during the journey down the birth canal, which is riddled with bacteria, some of which make their way onto the newborn's skin.


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Author Bio


  • NameRobin Marantz Henig
  • Descriptionauthor and journalist
  • ProfessionAuthor
  • AwardsGuggenheim Fellowship