美国体育锻炼专家一致认为,大多数人能进行的最好活动就是走路。以每小时3-4英里的速度走上半个小时左右,每周五六次,你也许不会立即感受到它的好处,但从长远看,益处在年老时就会显现出来。有规律的走路运动可预防诸多疾病,科学家已证实的有以下方面:心脏病:有规律地走路能降低血 American physical exercise experts agree that the best activity most people can make is walking. You may not immediately feel the benefits of walking about 3-4 hours per hour for about half an hour or five or six times a week, but in the long run, the benefits will be evident in old age. Regular walking exercise can prevent many diseases, scientists have confirmed the following areas: Heart disease: regular walking can reduce blood