http://www.health.com/health/article/0,,20680533,00.html source http://www.health.com/health/article/0,,20680533,00.html http://www.health.com/health/article/0,,20680533,00.html power walk Causes weight loss! http://www.health.com/health/article/0,,20680533,00.html http://www.health.com/health/article/0,,20680533,00.html http://www.health.com/health/article/0,,20680533,00.html http://www.health.com/health/article/0,,20680533,00.html speed walking is a legitimate and effective method http://www.health.com/health/article/0,,20680533,00.html health.com research done at the University of Virginia health.com http://www.health.com/health/article/0,,20680533,00.html http://www.health.com/health/article/0,,20680533,00.html http://www.health.com/health/article/0,,20680533,00.html http://www.health.com/health/article/0,,20680533,00.html http://www.health.com/health/article/0,,20680533,00.html Health Magazine http://www.health.com/health/article/0,,20680533,00.html http://www.health.com/health/article/0,,20680533,00.html health.com http://www.health.com Studies http://www.health.com/health/article/0,,20680533,00.html health.com works http://www.health.com/health/article/0,,20680533,00.html power walking for one hour each day http://www.health.com/health/article/0,,20680533,00.html Health http://www.health.com/health/article/0,,20680533,00.html health.com research done at the University of Virginia research done at the University of Virginia http://www.health.com/health/article/0,,20680533,00.html http://www.health.com/health/article/0,,20680533,00.html Health http://www.health.com/health/article/0,,20680533,00.html http://www.health.com/health/article/0,,20680533,00.html http://www.health.com/health/article/0,,20680533,00.html http://www.health.com/health/article/0,,20680533,00.html http://www.health.com/health/article/0,,20680533,00.html Studies http://www.health.com/health/article/0,,20680533,00.html