Every day, in all kinds of weather, a lot of men or women go jogging (慢跑). （1）为什么慢跑如此流行呢? Most people start jogging because they hear it is a very good form of exercise. Jogging makes the heart strong and helps people control their weight or stay slim. If you keep jogging regularly, （2） 你没必要服药or skip meals to lose weight. （3）Jogging can also make you feel better about yourself.

Donald Robbins, who is 42 years old and works in an office, began jogging a few years ago because he was overweight. At first, （4） he could only run about 300 meters, but two years later, he ran a marathon – over 42 kilometers.

Do you jog? If you do, be sure to ask your doctor for advice. （5） Jogging costs you almost nothing. But it is very important to have a pair of good shoes that are made especially for jogging. If not, when you run on hard ground for a long time, it may cause your feet to hurt.