It's a number, yes. It's also a signal from your body that it's time to chill.America loves a fierce competitor. And we have a particular soft spot for athletes who prove to be impervious to the ravages of old age. That's why swimmer Dara Torres, who lives in Parkland, emerged as one of the biggest stars of the 2008 Summer Olympics. At 41, she's the oldest female American swimmer to ever compete in the Olympics.Torres has already retired twice before, and surely that Olympics was her last --
