Book excerpt: Athlete's foot is an itchy, flaky, burning, sometimes gooey fungal infection that commonly occurs among athletes, but athletes aren't the only ones affected. This condition can happen to anyone at any age. Readers will learn symptoms of the ailment, as well as what causes it and how it's treated. Information includes the biology of fungi, mold, yeast, and bacteria responsible for athlete's foot and its complications. Treatments discussed include over-the-counter and prescription drugs, as well as natural remedies. Steps to prevent infection also feature ways to keep it from returning once it's cured.