You want to get healthy. You know you need to exercise more. You may have even jump-started your New Year's resolutions by joining a gym. But if you're not ready to squeeze into shorts or a leotard and grunt through an hour of Spinning or Jazzercize or kickboxing, don't despair. There's growing agreement among exercise researchers that the intense physical activities offered by most health clubs is not the only--or even necessarily the best--path to better health. In fact, the best thing most of us can do, say the experts, may be to walk.
Yes, walk. Not run or jog or...
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