Lack of sleep suppresses our natural appetite-depressants, while fueling appetite-increasers, often leading to weight gain.

缺少睡眠将会抑制你的自然的食欲镇定功能，同时增加你的胃口，最终会导致你体重增加。

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Leading Australian weight loss coach Geoff Jowett says this' reward system 'is one of the most common reasons why exercise is leading to weight gain.

澳洲知名的瘦身教练乔伊特称，这种“奖励机制”正是导致运动后体重反而增加的一大普遍原因。

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Insulin may also cause your body to produce more of an enzyme called lipoprotein lipase, which increases the uptake of fat into cells, leading to weight gain.

胰岛素也可能导致你的身体产生更多的脂蛋白脂肪酶，它能增加细胞里脂肪的吸收，从而增重。

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Even though you don't choose unhealthy foods, you are probably consuming too much healthy food, which is leading to weight gain.

CNN: Why do I always think about food?

Obesity is a risk factor in heart disease, leading past research to examine whether weight gain might cancel out some of the benefits of quitting smoking.

BBC: Quitting smoking 'cuts heart risk despite weight gain'

Patients for whom weight gain is a concern and that's the leading worry among diabetics, according to Mayo's Dr. Montori may steer clear of drugs where that is an important side effect.

WSJ: New Strategies for Treating Diabetes