7 easy ways to become a fitness model -- for your kids

He's a celebrity fitness trainer to Kate Upton, and Jennifer Lopez wrote the foreword to his new book, "Ultimate Family Wellness: The No-Excuses Program For Diet, Fitness and Lifelong Health." And David Kirsch is also a single parent of twin 6 1/2-year-old girls. His book doesn't just speak to...

via L.A. Times - Health http://ift.tt/1RVYACE