And mice without leptin are sluggish balls of blubber .

没有瘦素小鼠简直就是又懒又肥的绒毛球。

But how does leptin work its dietary wonders ?

那瘦素是如何发挥在饮食中的神奇作用的呢？

These hormones are called leptin and adiponectin .

它们被称为瘦素和脂联素。

Leptin acts like a natural appetite suppressant .

瘦素就好像是一种天然的“食欲抑制剂”。

Those neurons get their message from hormones , including insulin and leptin .

这些神经元通过激素得到信息，这些激素包括胰岛素和瘦素。