Running coach Gary Cohen offers advice on the nutritional and hydration benefits of drinking smoothies loaded with milk, yogurt and fresh fruit after running. For more advice on running topics and entertaining stories, check out dozens of 'All in a Day's Run' articles at www.garycohenrunning.com . There you will also find interviews with running personalities such as 4-time Boston and New York City Marathon champ Bill Rodgers, 2008 Olympic steeplechaser Jenny Barringer, 1968 Boston Marathon champ and Runners World Editor Amby Burfoot and 2008 Olympic marathoner Brian Sell.