Taking just 10 minutes three times a day to walk will help you live longer. In fact, studies show that just one hour of vigorous exercise will increase your life expectancy by two hours. It makes sense to walk more and eat well - to live longer. Today's the perfect day to Start! (it is National Start! Walking Day! after all). Head on over to our Start! Walking site to find walking tips, exercise videos, healthy recipes and more! Then get the free Walking Paths app for your Android phone, find or create a new path and get started walking now. (iPhone app coming May 1).