Melatonin is a hormone secreted by the brain, and is critical in regulating your sleep.

褪黑激素是种大脑分泌用来调节睡眠程度的荷尔蒙。

Yes, he is. He's a walking hormone.

没错 他是 他就是个行走的荷尔蒙。

In the 1900s, researchers started honing in on the concept of hormones.

世纪，研究人员开始推敲荷尔蒙的概念。

Stress mixes up your hormones and should be avoided.

压力伴随荷尔蒙的变化而变化，应该尽量避免。

Just looking in your dog's eyes boosts happy hormones - oxytocin in human brains.

仅仅看着你家狗的眼睛就可以促进脑中催产素，也就是快乐荷尔蒙的分泌。

" You're overreacting. You're probably just hormonal."

“你反应也大了吧。可能是受到荷尔蒙的影响。”

The adrenaline also triggers the release of the stress hormone cortisol.

肾上腺素还触发压力荷尔蒙皮质醇的释放。

As you physically start to relax, your body produces less cortisol, a pesky hormone that causes stress.

当你身体开始放松时，它产生的皮质醇就减少，皮质醇是一种令人讨厌的荷尔蒙，它压力。

Love hormone? Not so fast, new study suggests.

爱情荷尔蒙？ 新的研究表明，先别急于下定论。

That's because those hair islands burst forth like hormonal volcanoes from a sea of adolescence.

那是因为那些毛发岛屿就是由在青春期海洋中的荷尔蒙火山爆发所形成的。

Also, different women experience different sensitivities to hormonal changes.

此外，不同的女性对荷尔蒙变化的敏感度也不同。

And your hormones can damage your arteries which can lead to heart disease.

你的荷尔蒙损害你的动脉，从而心脏病。

A couple of the big ones are a hormone called leptin.

几个大的是一种叫做瘦素的荷尔蒙。

But this ox hormone triggered their ovulation without the presence of a male.

但公牛的荷尔蒙其 在没有雄性的情况下排卵。

So you can kind of think of them as the hormones of the immune system.

因此你可以把它们想象成免疫系统的荷尔蒙。

So stressful hormones dip, and happy hormones rise.

所以压力荷尔蒙下降的时候，快乐荷尔蒙上升。

But that change in the amount of ghrelin depends on what you've eaten.

但是饥饿荷尔蒙含量的变化取决于你吃了什么。

It makes the body release hormones that increase our heart rate and blood pressure.

压力让人体释放出使心跳加快和血压升高的荷尔蒙。

The result, dopamine, the feel-good hormone is released.

结果，多巴胺，一种让人感觉良好的荷尔蒙被释放出来。

These people also display more significant hormonal changes in response to sad music.

这些人在听到悲伤的音乐时，也表现出更显著的荷尔蒙变化。