 Every year, thousands flock to Coney Island on the 4th of July. The reason? Nathan's famous hot dog eating competition. Critics of competitive eating point to possible health risks for contestants and the glamorization of overeating and food waste. But fans say it's just a sport. What does it take to eat competitively? How did competitive eating become an American tradition? That's next time on 1A. 1A with Jen White is next at 10 a.m. here on NPR News.