English-Chinese/Decrease body fat if overweight or obese

Decrease body fat if overweight or obese. The effect of weight loss is often difficult to distinguish from dietary change, and evidence on weight reducing diets is limited.

如果超重或肥胖，减少身体脂肪。 体重减轻的影响通常难以与饮食改变区分开来，减肥饮食的证据有限。