Close Look at Human Arm Finds Host of Microbes

Hold out your hand, with the palm facing skyward. Pull the sleeve of your shirt up to your elbow. Now take a look at the fleshy part of your arm, about halfway between your wrist and your elbow. What do you see?

Nothing, probably.

But that's not what Martin J. Blaser of New York University School of Medicine sees. With the help of the latest scientific tools, Blaser sees a complex, microscopic world teeming with a vast array of microorganisms.

[More: washingtonpost]