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'Before you reach in horror for the hand sanitizer or industrial-strength mouthwash, you might want to keep something in mind. A profusion of research in just the past five years is showing that our microbial hitchhikers, collectively called the “human microbiota” and so small they account for only 1 or 2 percent of our weight, play a key role in maintaining our health.
Photo Credit: Realifesurvivalguide.com
And we disrupt them at our peril. “It’s not possible to understand human health and disease without exploring the massive community of microorganisms we carry around with us,” says Professor George Weinstock of Washington University in St. Louis. Knowing which microbes live in healthy people “allows us to better investigate what goes awry in diseases that are thought to have a microbial link, like Crohn’s and obesity.”'
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