Then, cycling is another exercise. Exercise is a good for your health. Cycling makes you burn calories. Much will depend on the style of your ride. There are a lot of people can lose weight by cycling without changing eating habits. The bike also negatively affect the health, is not suitable for people with back pain problems. Because sitting bike will be pressure on the intervertebral discs high. Another problem that don’t have those mentioned much is the problem of the urinary system and reproductive system.