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      As everyone knows, not o fast walk but also slow walk does good to the muscles and lungs of human. So people walk to build up their bodies, or to lose w. But only some of them know that taking a walk every day is also good for p people's hearts. Heart attack has become the first disease in the world b more and more people suffer from it.

    Taking a walk can improve the blood supply to our hearts. If you try to walk as o as possible, you'll have a healthier heart.