No one wants to talk about Athlete's Foot because it's kind of gross. Like nose hair and halitosis, some things are better left out of polite conversation. But just because you don't discuss it doesn't mean it won't happen to you. In fact, seven in 10 people get Athlete's Foot at some point, although many times it goes misdiagnosed as dry skin. "Athlete's Foot is basically a fungal infection of the top layer of your skin or epidermis," Joel Morse, DPM and president of the American Society of Podiatric Dermatology in Washington, DC, says. Men are more likely to get it than women, and guys who workout are the most vulnerable of all, since the fungus thrives in warm, wet places, like the floors of gym locker rooms. Here's how to keep your toes safe.