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From VOA Learning English, this is the Health & Lifestyle report. If you want to get healthy or stay healthy, there is one easy activity to add to your day – walking. "Walking is the closest thing we have to a wonder drug ," says Thomas Friedman. Friedman is the director of the Centers for Disease Control and Prevention in the United States. And he is not alone in considering walking a great exercise. Health experts at the Mayo Clinic, the American Heart Association, the Arthritis Foundation, Harvard Medical School and many other health research groups agree. You may think that simply taking a walk is not enough to make a big difference. You might think that you need do something strenuous like running to stay healthy. Well, a new study says that is not true. It finds that walking may be as good for us as running. Running is a high- impact activity and can be hard
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