Harvard Offers Graduate Course on Learning to Walk???

Harvard Medical School's HEALTHBeat newsletter reports that although we learn to walk before age 2, most of us do not do it correctly. Walking correctly can prevent heal and knee injury. Although the US Department of Health and Human Services recommends vigorous walking for 21/2 hours a week, according to Harvard, there are no directions on how to walk. Harvard offers seven tips for walking correctly.