Does stress cause pimples? - Claudia Aguirre

1,266,200 views ・ 2012-11-15

TED-Ed


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00:00
Translator: tom carter Reviewer: Bedirhan Cinar
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Prevoditelj: Marijana Mijat Recezent: Ivan Stamenković
00:14
She's only a few feet away.
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Ona je udaljena samo par koraka od njega.
00:16
The closer he gets, the more nervous he becomes,
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Što joj je bliže, to je nervozniji,
00:18
the budding zit on his nose growing bigger and bigger until it practically eclipses his face.
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bubuljica na njegovom nosu sve više raste dok mu konačno ne zasjeni cijelo lice.
00:24
She looks at him hovering nearby, sees the massive zit, and giggles.
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Ona ga vidi kako se mota u blizini, ugleda ogromnu bubuljicu i počne hihotati.
00:28
He slumps away, feeling sick.
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On se odvuče natrag, s mučninom u želucu.
00:30
Stress can sure make a mess, and it happens to both teens and adults.
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Stres može napraviti potpuni nered, kako mladima, tako i odraslima.
00:34
But how does it happen?
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Ali kako se to događa?
00:36
Let's rewind to before the zit, to before Justin even sees his crush.
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Počnimo priču prije bubuljice, prije nego je Justin uopće ugledao svoju simpatiju.
00:41
Already late for school, Justin got to class just in time to hear the teacher say "pop quiz."
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Kasnio je, a čim je ušao u razred, čuo je nastavnika: 'blic provjera'.
00:46
He hadn't done his homework the night before, and felt more unprepared
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Sinoć nije napisao zadaću pa se osjećao kao da je upao u zasjedu
00:50
than the ambushed World War II soldiers he was supposed to write about.
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baš kao oni vojnici iz 2. svjetskog rata o kojima je trebao pisati.
00:54
A sudden rush of panic swept over his body, leaving him with sweaty palms,
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Napad panike preplavio mu je tijelo, oznojili su mu se dlanovi,
00:58
a foggy mind and a racing heart.
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razum se pomutio, a srce počelo lupati.
01:01
He stumbled out of class in a daze, and ran straight into his all-time crush, spiking up his stress.
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Izjurio je iz razreda u bunilu i zaletio se ravno u svoju simpatiju, što je još
01:07
Stress is a general biological response to a potential danger.
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pojačalo njegov stres. Stres je zapravo opći biološki odgovor na moguću opasnost.
01:12
In primitive caveman terms, stress can make you fight for your life,
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Riječima davnih pećinskih ljudi, stres nas tjera na borbu na život i smrt,
01:15
or run for your life, if, for example, you're confronted by a hungry saber-tooth tiger.
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ili na bijeg za goli život. Kao npr. kad se sretnemo sa gladnim sabljastim tigrom.
01:21
Special chemicals called stress hormones run through your body,
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Posebne kemikalije zvane hormoni stresa kolaju našim tijelima
01:24
giving you more oxygen and power to run away from danger
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i daju nam više kisika i snage kako bismo pobjegli od opasnosti
01:27
or to face it and fight for your life,
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ili se suočili s njom i borili za život.
01:30
hence the term "fight or flight."
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Odatle i izraz 'bori se ili bježi'.
01:33
But when you don't fight, or take flight, you face the plight.
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Međutim, kad se ni ne boriš, ni ne bježiš, imaš problem.
01:37
When we're taking final exams, sitting in traffic or pondering pollution,
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Kad pišemo provjeru, čekamo usred gužve ili brinemo oko onečišćenja,
01:42
we internalize stress.
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mi usvajamo svoj stres.
01:44
It all begins in the brain.
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Sve počinje u mozgu.
01:46
The hypothalamus, the master controller of your hormones,
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Hipotalamus, glavni kontrolor naših hormona,
01:49
releases something called corticotropin-releasing hormone.
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otpušta nešto zvano 'hormon koji oslobađa kortikotropin'.
01:53
This triggers the pituitary gland,
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Time se pokreće hipofiza,
01:54
a pea-sized gland found at the base of the brain,
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žlijezda veličine graška s donje strane mozga,
01:57
to release adrenocorticotropic hormone
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koja zatim oslobađa adrenokortikotropni hormon,
02:00
which then stimulates the adrenal gland sitting on top of the kidneys
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a on potiče nadbubrežnu žlijezdu
02:03
to release cortisol, the major stress hormone.
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da izluči kortizol, važni hormon stresa.
02:07
These natural chemicals are a great help when you need to run away quickly,
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Ove prirodne tvari su velika pomoć kad naglo treba pobjeći,
02:10
or do superhuman feats of courage,
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ili izvesti nadljudske i hrabre podvige.
02:13
but when you're simply sitting, these stress hormones collect in the body and affect your overall health.
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Ali kad samo sjedite, hormoni stresa se nakupljaju u tijelu i utječu na zdravlje.
02:19
Stress hormones increase inflammation in the body,
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Hormoni stresa potiču otečenost u tijelu,
02:23
suppress the immune system,
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potiskuju obrambeni sustav,
02:25
which makes you more susceptible to infection by acne-causing bacteria,
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što nas čini osjetljivijima na bakterije koje uzrokuju bubuljice.
02:28
and can even increase oil production in the skin.
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Mogu čak i povećati proizvodnju masnoća u koži.
02:32
And this is the perfect storm for forming a pimple.
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Sve to je savršena prilika za stvaranje bubuljica.
02:38
Cortisol is a major stress hormone involved in making skin cells
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Kortizol je važni hormon stresa koji sudjeluje u aktiviranju stanica kože
02:42
churn out oily lipids from special glands called sebaceous glands.
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da potaknu proizvodnju masnih lipida iz lojnih žlijezda.
02:46
But when there's too much of these oily lipids,
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Ali kad ima previše masnih lipida,
02:48
called sebum, they can plug up the swollen, inflamed pores
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zvanih loj, oni mogu začepiti otečene, upaljene pore
02:52
and trap the pesky, acne-causing bacteria inside,
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i zarobiti unutra naporne bakterije koje uzrokuju bubuljice,
02:55
where they set up house and thrive.
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osiguravajući im dom gdje uživaju i bujaju.
02:57
Add a dash of inflammatory neuropeptides released by the nervous system when you're --
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Dodajte tome još mrvicu upalnih neuropeptida koje je oslobodio
03:02
well, nervous -- and angry zits follow.
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živčani sustav dok ste bili nervozni, i eto ljutih bubuljica.
03:05
To make matters worse, Justin is a boy, meaning he's got more testosterone than girls.
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Da bi stvar za Justina bila još gora, mladići imaju više testosterona nego djevojke.
03:10
Testosterone is another hormone that increases oil production in the skin.
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A testosteron je još jedan hormon koji potiče proizvodnju masti u koži.
03:14
So, his already oily skin, together with a boost in oil and inflammation from stress,
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Tako njegova već masna koža, zajedno s navalom masti i upale od stresa,
03:19
is the perfect environment for bacteria
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postaje savršena podloga bakterijama
03:22
to swell, swell, swell up into a major zit.
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da otiču, otiču i otiču u opaku bubuljicu.
03:26
So what could've Justin done to avoid the big pimple?
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Dakle, što je Justin mogao napraviti da izbjegne veliku bubuljicu?
03:29
Stressful situations are unavoidable.
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Stresne situacije su neizbježne.
03:32
But we can try to change our responses so that we're not so stressed in the end.
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Ali možemo mijenjati svoju reakciju kako bi izbjegli preveliki stres.
03:35
And had he been confident in approaching her,
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Da je npr. bio siguran u sebe dok joj je prilazio,
03:38
she might not have noticed the pimple, or he might not have had one.
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Ona možda i ne bi primijetila bubuljicu, ili je on ne bi ni imao.
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