他们同时相信这些基因在脂肪代谢和体重调节发挥作用。
They also believe many of these genes also play a role in body weight regulation or fat metabolism.
但是，瘦素系统精确细节及其对人体重调节的生理意义尚不十分清楚。
However, the precise details of the leptin system and its physiological significance in human weight control still remain to be fully understood.
由于对复杂的体重调节机制的认识越来越深入，很多新的减肥药物正在研制过程之中。
Many active research programs are underway to develop new agents based on the rapidly expanding knowledge of the complex mechanisms regulating body weight.
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