The tale of the tape may be told, in part, by the microbes inside you. iStockphoto.com hide caption

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Diverse Gut Microbes, A Trim Waistline And Health Go Together

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It's busy down there: a gut bacterium splits into two, becoming two new cells. Centre For Infections/Science Photo Library/Corbis hide caption

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Staying Healthy May Mean Learning To Love Our Microbiomes

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Streptococcus bacteria, like this strain, can be found in our guts. Janice Haney Carr/CDC Public Health Image Library hide caption

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Gut Bacteria We Pick Up As Kids Stick With Us For Decades

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Bad bug: The bacterium Clostridium difficile kills 14,000 people in the United States each year. Janice Carr/CDC/dapd hide caption

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Fungi (cyan) surround a human hair within the skin. A study in the journal Nature shows the population of fungi on human skin is more diverse that previously thought. Alex Valm, Ph.D. hide caption

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Research Reveals Yeasty Beasts Living On Our Skin

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Sucking may be one of the most beneficial ways to clean a baby's dirty pacifier, a study found iStockphoto.com hide caption

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Parents' Saliva On Pacifiers Could Ward Off Baby's Allergies

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Gut Bacteria's Belch May Play A Role In Heart Disease

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Twins in Malawi helped scientists discover a role the gut microbiome appears to play in severe malnutrition. Photograph courtesy of Tanya Yatsunenko hide caption

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Gut Microbes May Play Deadly Role In Malnutrition

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Microbiologist Emma Allen-Vercoe invented the Robogut, a mechanical device that mimics conditions in the human colon. Courtesy of thestar.com hide caption

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Finally, A Map Of All The Microbes On Your Body

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