They captured images at multiple stages of infection -- revealing how Bxb1 attaches to Mycobacteria, injects its genetic material and begins the infection process. The results were surprising.

But when it overgrows, an infection can occur. Here’s what to know about the stages of toenail fungus and how to treat it before it worsens. severe nail thickening, discoloration, and structural ...

A fungal nail infection occurs when a fungus attacks a fingernail, a toenail, or the skin under the nail, called the nail bed. Photo credit: iStock/Getty Images It’s easy to ignore fungal nail ...