Ballet Hispanico Gala

Ballet Hispanico Gala

Amanda Gordon/Bloomberg

Daphne Jovanovic, author of "The Dorm Room Diet," and her father, Dr. Mehmet Oz, a heart surgeon with a television show, demonstrate a Spanish dance pose. Dr. Oz, a vice chairman of the event, offered a compelling reason to get out on the dance floor. "It's probably one of the best mental exercises out there," he said. "It pumps blood to your brain. Think of how much energy you use doing those complicated moves." He had one bit of practical advice: "Don't step on your wife's feet."