The benefit for cycling
1. The cycling is the best way for heart attract. It report that half of the world die of heart disease,the cycling can help you improve the blood circulate by the legs movement.The same time the microcirculation will be better, that make you younger than others.
2. Regular cycling will enlarge your heart.When you are old, your veins and your heart will be more and more weak, after cycling , you get a strong heart.
An old man said ,the old need more than 3 days exercises every week, but the hard sports are also not good for old people.