OF ALL THE smells in the air, stinky feet rank high on the “Most Odious” list, edging out halitosis by a breath. Though many men are plagued by foul feet, few will cop to it—even to their podiatrist, said Hannah K. Kim, a New York foot specialist. “People feel embarrassed and don’t even want to admit it to themselves,” said Dr. Kim.
That proved to be the case when I gently asked friends to join my focus group. “I don’t have smelly feet!” replied retired financial writer Jerry Hertz, explaining that he fastidiously takes measures...