What’s the big deal with gluten? - William D. Chey

Čemu velika strka oko glutena? - William D. Chey

3,918,019 views

2015-06-02 ・ TED-Ed


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What’s the big deal with gluten? - William D. Chey

Čemu velika strka oko glutena? - William D. Chey

3,918,019 views ・ 2015-06-02

TED-Ed


Dvaput kliknite na engleske titlove ispod za reprodukciju videozapisa.

Prevoditelj: Ivana Dvorski Lacković Recezent: Ivan Stamenković
00:06
Maybe you've recently seen the phrase "gluten-free" on food packaging,
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Možda ste vidjeli oznaku "bez glutena" na pakiranju hrane,
00:10
or take-out menus, shampoo bottles, apartment listings, the tag of your shirt,
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menijima, bocama šampona, oglasima za stanove, naljepnici majice,
00:15
on a hammer, as a lower back tattoo, or in your friend's resume.
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čekiću, tetovažu na donjem dijelu leđa ili u prijateljevom životopisu.
00:21
Next time someone starts telling you about their newfound freedom from gluten,
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Iduci put kad vam netko kaže o svojoj novostečenoj slobodi od glutena,
00:25
here are some questions you can ask,
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evo nekoliko pitanja koja možete postaviti
00:27
and the well-informed answers that your friend,
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i točnih odgovora koje će vam prijatelj,
00:30
being a reasonable individual making educated dietary choices,
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ako je razumna osoba čiji se odabir prehrane temelji na stručnim znanjima,
00:34
and by no means just following the latest diet craze, will tell you.
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a ne da slijedi zadnju pomodarsku dijetu, reći.
00:38
What is gluten?
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Što je gluten?
00:40
Gluten is an insoluble protein composite
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Gluten je složen netopljiv protein
00:43
made up of two proteins named gliadin and glutenin.
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koji se sastoji od dva proteina: gliadina i glutenina.
00:47
Where might you encounter gluten?
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Gdje se nalazi gluten?
00:50
Gluten is found in certain grains, particularly wheat, rye and barley.
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U određenim žitaricama, posebno pšenici, raži i ječmu.
00:56
What has gluten been doing for the previous entirety of human history,
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Koja je svrha glutena u povijesti čovječanstva
01:00
and why do you suddenly care about it?
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i zašto je odjednom tako važan?
01:03
Gluten is responsible for the elastic consistency of dough
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Gluten je odgovoran za elastičnost tijesta
01:07
and the chewiness of foods made from wheat flour,
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i žvakavost hrane koja se proizvodi od pšeničnog brašna,
01:10
like bread and pasta.
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poput kruha i tjestenine.
01:12
For some people, these foods cause problems,
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Nekim ljudima ta hrana stvara probleme,
01:15
namely wheat allergy, celiac disease, and non-celiac gluten sensitivity.
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poput alergije, celijakije i necelijakijske osjetljivosti na gluten.
01:21
Wheat allergy is an uncommon condition
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Alergija na pšenicu je rijetko stanje
01:23
that occurs when a person's immune system
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koje se javlja kad imunološki sustav
01:26
mounts an allergic response to wheat proteins,
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razvija alergijski odgovor na proteine pšenice,
01:29
leading to mild problems, and in rare cases,
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što dovodi do blagih problema i rijetko
01:32
a potential dangerous reaction called anaphylaxis.
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do potencijalno opasnog stanja zvanog anafilaksija.
01:37
Celiac disease is an inherited disease,
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Celijakija je nasljedna bolest
01:40
in which eating foods with gluten
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kod koje jedenje hrane koja sadrži gluten
01:42
leads to inflammation and damage of the lining of the small intestine.
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dovodi do upalnih procesa i oblaganja tankog crijeva.
01:46
This impairs intestinal function,
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To dovodi do oštećenja funkcije crijeva,
01:49
leading to problems like belly pain, bloating, gas, diarrhea,
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što uzrokuje bolove u trbuhu, nadutost, vjetrove, proljev,
01:54
weight loss, skin rash, bone problems like osteoporosis,
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gubitak težine, osip, probleme s kostima poput osteoporoze,
01:59
iron deficiency, small stature, infertility, fatigue and depression.
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manjak željeza, mali stas, neplodnost, umor i depresiju.
02:06
Untreated, celiac disease increases the risk
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Neliječena celijakija povećava rizik
02:09
of developing certain types of cancer.
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razvoja određenih tipova raka.
02:11
Celiac disease is present in one in every 100 to 200 persons in the U.S.
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Celijakija je prisutna u jedne na 100-200 ljudi u SAD.
02:17
When blood tests suggest the possibility of celiac,
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Kad krvni testovi ukažu na mogućnost celijakije,
02:20
the diagnosis is confirmed with a biopsy.
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dijagnoza se potvrđuje biopsijom.
02:24
The most effective treatment is a gluten-free diet,
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Najučinkovitiji tretman je dijeta bez glutena,
02:27
which helps heal intestinal damage and improve symptoms.
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koja dovodi do zacijeljenja crijeva i poboljšanja simptoma.
02:31
Some people don't have celiac disease or a wheat allergy,
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Neki ljudi nemaju celijakiju ni alergiju na pšenicu,
02:34
but still experience symptoms when they eat foods with gluten.
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ali ipak razviju simptome kad jedu hranu koja sadrži gluten.
02:38
These people have non-celiac gluten sensitivity.
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Oni imaju necelijakijsku osjetljivost na gluten.
02:42
They experience painful gut symptoms
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Oni osjećaju bolove u trbuhu
02:44
and suffer from fatigue, brain fog, joint pain or skin rash.
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te pate od umora, bolova u zglobovima, sindroma "zamagljenog mozga" i osipa.
02:50
A gluten-free diet typically helps with these symptoms.
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Dijeta bez glutena pomaže kod navedenih simptoma.
02:54
So how many people actually have this gluten sensitivity you speak of?
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Koliko ljudi pati od osjetljivosti na gluten?
02:59
Gluten sensitivity's occurrence in the general population is unclear,
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Incidencija osjetljivosti na gluten u općoj populaciji je nejasna,
03:03
but likely much more common than wheat allergy or celiac disease.
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ali češća od celijakije ili alergije na pšenicu.
03:08
Diagnosis is based on the development of symptoms,
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Dijagnoza se temelji na razvoju simptoma,
03:11
the absence of wheat allergy and celiac disease,
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odsutnosti alergije na pšenicu ili celijakije
03:13
and subsequent improvement on a gluten-free diet.
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te postepenom poboljšanju po prelasku na bezglutensku dijetu.
03:17
There's no reliable blood or tissue test,
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Nema pouzdanog krvnog ili testa tkiva,
03:20
partly because gluten sensitivity isn't a single disease,
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djelomično jer osjetljivost na gluten nije zasebna bolest
03:24
and has a number of different possible causes.
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i ima mnoge različite moguće uzroke.
03:27
For example, it may be the case
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Primjerice, može se desiti
03:29
that gluten can activate the immune system in the small intestine,
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da gluten aktivira imunološki sustav u tankom crijevu
03:33
or cause it to become leaky.
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ili prouzroči da postane propustljivo.
03:36
But sometimes, people claiming gluten sensitivity
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Ali ponekad ljudi koji tvrde da su osjetljivi na gluten,
03:38
are actually sensitive not to wheat proteins,
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su ustvari osjetljivi ne na proteine pšenice,
03:41
but sugars found in wheat and other foods, called fructans.
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nego na šećere koji se nalaze u pšenici i drugoj hrani, a zovu se fruktani.
03:46
The human intestine can't break down or absorb fructans,
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Ljudsko crijevo ne može razbiti ili apsorbirati fruktane,
03:50
so they make their way to the large intestine or colon,
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tako da oni dospiju u njihovo debelo crijevo,
03:53
where they're fermented by bacteria,
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gdje fermentiraju pod utjecajem bakterija,
03:55
producing short-chain fatty acids and gases.
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što dovodi do proizvodnje kratkolančanih masnih kiselina i plinova.
03:59
This leads to unpleasant symptoms in some people with bowel problems.
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To dovodi do neugodnih simptoma kod ljudi s crijevnim problemima.
04:03
Another possible explanation behind gluten sensitivity is the nocebo effect.
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Moguće objašnjenje glutenske osjetljivosti je i u nocebo efektu.
04:09
This occurs when a person believes something will cause problems,
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On se javlja kod ljudi koji vjeruju da će im nešto prouzročiti probleme,
04:13
and because of that belief, it does.
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te se ti problemi i dese zbog tog vjerovanja.
04:16
It's the opposite of the more well-known and much more fortuitous placebo effect.
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Nocebo je suprotnost poznatom i povoljnijem placebo efektu.
04:22
Given how much bad press gluten is getting in the media,
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S obzirom na negativan publicitet koji prati gluten u medijima,
04:25
the nocebo response may play a role
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nocebo može imati ulogu
04:27
for some people who think they're sensitive to gluten.
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kod nekih ljudi koji misle da su osjetljivi na gluten.
04:30
For all these reasons,
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Zbog svih navedenih razloga
04:32
it's clear that the problems people develop
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jasno je da problemi koji se javljaju
04:34
when they eat wheat and other grains aren't exclusively due to gluten.
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kad ljudi jedu pšenicu i druge žitarice nisu isključivo zbog glutena.
04:39
So a better name than non-celiac gluten sensitivty
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Stoga bi bolji naziv od necelijakijska osjetljivost na gluten
04:42
might be wheat intolerance.
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bio intolerancija pšenice.
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