When you lose weight, you should try to avoid using infrared rays. Infrared rays will do some harm to your body, which will seriously lead to amenorrhea in women and impotence and premature ejaculation in men. People who love beauty should not rush to lose weight. If it exceeds the body's endurance, it will lead to dizziness, fatigue and other symptoms. Exercise should be used to lose weight, and try not to rely on equipment and drugs to lose weight. These methods are particularly harmful to the body.