It's only done if your weight is very high and dangerous to your health, and if you've tried other ways of losing weight.
2
虽然这种方法在理论上有助于减肥,但这不并是最健康的或最有效的。
Although in theory this method should help you lose weight, it is not the healthiest or most successful.
3
避免时尚减肥药品:用药品代替食品或者节食的减肥方法是错误的,饮食均衡才能保持健康。
Avoid fad diets. It's never a good idea to trade meals for shakes or to give up a food group in the hope that you'll lose weight — we all need a variety of foods to stay healthy.