But endocannabinoids travel in the opposite direction.

但内源性大麻素的移动方向相反。

Feedback from endocannabinoids slows down rates of neural signaling.

来自内源性大麻素的回馈资讯。

As their name suggests, these endocannabinoids work in the same way as the active ingredient of marijuana.

正如其名字的含义一般，这些endocannabinoids有着跟大麻中的有效成分一样的效果。

More specifically, running triggers the release of brain chemicals called endocannabinoids that create a potent feeling of pleasure.

更确切地讲，在奔跑时人体内有一种化学物质被释放，从而使人产生一种强烈的愉悦感。

From an evolutionary standpoint this surge of endocannabinoids, and the " runner's high" it creates, make sense.

从进化论的观点来看，人体内endocannabinoids水平的上升及由此而生的" 赛跑者的亢奋" 对人类的发展是有意义的。

Instead, scientists think it might be the endocannabinoids.

相反，科学家认为它可能是内源性大麻素。

This happens because our bodies release chemical messengers called endorphins and endocannabinoids during exercise, which make us feel happy and content.

这是因为我们在运动时，身体释放出名为内啡肽和内源性大麻素的化学信使，使我们感到快乐和满足。

The real culprit might be endocannabinoids, a group of chemicals in your body that act like the compounds in marijuana that cause a high.

真正的罪魁祸首可能是内源性大麻素， 这是您体内的一组化学物质，其作用类似于大麻中引起兴奋的化合物。