In an exclusive interview with the Wall Street Journal, Michael Phelps, the most decorated Olympic athlete of all time, broke this news: people, on occasion, relieve themselves in the pool.

Fellow Olympic swimmer Ryan Lochte caused a bit of a stir recently when he reportedly said that he has, on occasion, urinated while in the pool; Phelps, however, suggested that it was no big deal. "I think everybody pees in the pool," Phelps said. "It's kind of a normal thing to do for swimmers. When we're in the water for...