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The hypothalamus, the master controller of your hormones, releases something called corticotropin-releasing hormone.
下視丘是控制荷爾蒙的主宰，它會釋放一種叫“促腎上腺皮質(zhì)釋放素”的物質(zhì)。
This triggers the pituitary gland, a pea-sized gland found at the base of the brain, to release adrenocorticotropic hormone which then stimulates the adrenal gland sitting on top of the kidneys to release cortisol, the major stress hormone.
這會促進腦下垂體——這個你腦部深處豌豆般大的腺體釋放促腎上腺皮質(zhì)素，讓它刺激腎臟上方的腎上腺，釋放主要的壓力荷爾蒙：腎上腺皮質(zhì)醇。
These natural chemicals are a great help when you need to run away quickly, or do superhuman feats of courage, but when you're simply sitting, these stress hormones collect in the body and affect your overall health.
這種天然化合物可以讓你跑得更快或激發(fā)出超人般的勇氣，但你若不為所動，荷爾蒙累積的結(jié)果會影響健康。
Stress hormones increase inflammation in the body, suppress the immune system, which makes you more susceptible to infection by acne-causing bacteria, and can even increase oil production in the skin.
壓力荷爾蒙促進發(fā)炎反應(yīng)壓抑免疫系統(tǒng)，這讓你更容易受到造成粉刺的細菌感染，也會增加皮膚油脂的分泌。
And this is the perfect storm for forming a pimple.
這些加起來就是產(chǎn)生青春痘的完美組合。
Cortisol is a major stress hormone involved in making skin cells churn out oily lipids from special glands called sebaceous glands.
腎上腺皮質(zhì)醇讓皮膚細胞從皮脂腺分泌油脂。
But when there's too much of these oily lipids, called sebum, they can plug up the swollen, inflamed pores and trap the pesky, acne-causing bacteria inside, where they set up house and thrive.
若是這些皮脂累積太多就會堵在分泌口造成腫脹發(fā)炎，并將討厭的會造成粉刺的細菌包在里面，細菌就會在此繁衍。
Add a dash of inflammatory neuropeptides released by the nervous system when you're, well, nervous, and angry zits follow.
再加上你緊張時神經(jīng)系統(tǒng)釋放和發(fā)炎相關(guān)的神經(jīng)肽，就會造成青春痘。
To make matters worse, Justin is a boy, meaning he's got more testosterone than girls.
雪上加霜的是，身為男性，賈斯汀的睪丸素比女生多。
Testosterone is another hormone that increases oil production in the skin.
睪丸素是另一種促進皮膚油脂分泌的荷爾蒙。
So, his already oily skin, together with a boost in oil and inflammation from stress, is the perfect environment for bacteria to swell, swell, swell up into a major zit.
所以他的皮膚本來就很油，再加上壓力促進發(fā)炎反應(yīng)和出油，就形成了細菌的溫床并腫脹成一顆大痘痘。
So what could've Justin done to avoid the big pimple?
賈斯汀該如何避免長青春痘呢？
Stressful situations are unavoidable.
壓力環(huán)境無可避免。
But we can try to change our responses so that we're not so stressed in the end.
但是我們可以改變心境讓自己減少感受到的壓力。
And had he been confident in approaching her, she might not have noticed the pimple, or he might not have had one.
而他若是自信地走向她，她可能就不會注意到他臉上的痘痘，或者他臉上根本不會長痘痘。
