Worlds Of Bacteria, Alive On Your SkinYour body contains 10 times as many bacterial cells as it does human cells. A new study finds that healthy human skin hosts a remarkable diversity of bacteria ecosystems. Even skin as close as the inside and outside of your elbow contains distinct bacteria.
This colorized micrograph shows clumps of methicillin-resistant Staphylococcus aureus bacteria, or MRSA, magnified 2,390 times. Bacteria in the staphylococci genera are commonly found on the skin's surface.
Jeff Hageman, M.H.S./CDC