The dirty truth about what’s in your socks: Bacteria, fungi and whatever lives between your toes

Your feet are microbial hotspots. The area between your toes is packed with sweat glands, and when we wrap our feet in socks and shoes, we trap that moisture in a warm, humid cocoon that’s ideal for microbial growth. In fact, your feet may be home to a miniature rainforest of bacteria and fungi, with anywhere from 100 to 10 million microbial cells per square centimeter of skin surface.

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