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Nurturing Our Microbes

Stewardship of the life teeming within us can pay health dividends

By
12:45pm, February 26, 2008

Each of us is a metropolis. Bustling about in everyone's body are tens of trillions of microbes. Some are descended from starter populations provided by mom during birth. Additional bacteria, yeasts, and other life forms hitchhike in with foods. By age 3, everyone's gut hosts a fairly stable, yet diverse, ecosystem.

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