Alzheimer’s Is Not Normal Aging — And We Can Cure It | Samuel Cohen | TED Talks

1,097,078 views

2015-10-16 ・ TED


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Alzheimer’s Is Not Normal Aging — And We Can Cure It | Samuel Cohen | TED Talks

1,097,078 views ・ 2015-10-16

TED


Dvaput kliknite na engleske titlove ispod za reprodukciju videozapisa.

Prevoditelj: Sonja Žarić Recezent: Ivan Stamenković
00:12
In the year 1901,
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1901. godine,
00:14
a woman called Auguste was taken to a medical asylum in Frankfurt.
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žena pod imenom Auguste je dovedena u medicinsko utočište u Frankfurtu.
00:18
Auguste was delusional
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Auguste je bila u bunilu
00:20
and couldn't remember even the most basic details of her life.
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i nije se mogla sjetiti najosnovnijih detalja svog života.
00:24
Her doctor was called Alois.
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Ime njezinog liječnika je bilo Alois.
00:27
Alois didn't know how to help Auguste,
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Alois nije znao kako pomoći Auguste,
00:30
but he watched over her until, sadly, she passed away in 1906.
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ali ju je promatrao dok, nažalost, nije umrla 1906. godine.
00:34
After she died, Alois performed an autopsy
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Nakon što je umrla, Alois je napravio autopsiju
00:37
and found strange plaques and tangles in Auguste's brain --
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i pronašao čudne plakove i petlje u Augustinom mozgu --
00:40
the likes of which he'd never seen before.
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kakve nikad prije nije vidio.
00:42
Now here's the even more striking thing.
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Evo još upadljivije stvari.
00:46
If Auguste had instead been alive today,
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Da je Auguste živjela u današnje doba,
00:49
we could offer her no more help than Alois was able to 114 years ago.
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ne bi joj mogli pomoći više nego Alois prije 114 godina.
00:56
Alois was Dr. Alois Alzheimer.
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Alois je bio dr. Alois Alzheimer.
01:00
And Auguste Deter
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A Auguste Deter
01:02
was the first patient to be diagnosed with what we now call Alzheimer's disease.
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prva pacijentica kojoj je dijagnosticirano ono što danas nazivamo Alzheimerova bolest.
01:07
Since 1901, medicine has advanced greatly.
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Od 1901. godine medicina je mnogo napredovala.
01:11
We've discovered antibiotics and vaccines to protect us from infections,
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Otkrili smo antibiotike i cjepiva koje nas štite od infekcija,
01:15
many treatments for cancer, antiretrovirals for HIV,
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mnoge postupke za liječenje raka, antiretroviruse za HIV,
01:19
statins for heart disease and much more.
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stotine za bolesti srca i mnogo više.
01:22
But we've made essentially no progress at all in treating Alzheimer's disease.
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No, nismo nimalo napredovali u liječenju Alzheimerove bolesti.
01:30
I'm part of a team of scientists
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Ja sam dio tima znanstvenika
01:32
who has been working to find a cure for Alzheimer's for over a decade.
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koji više od desetljeća rade na tome da pronađu lijek za Alzheimerovu bolest.
01:35
So I think about this all the time.
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Tako da ja razmišljam o tome cijelo vrijeme.
01:38
Alzheimer's now affects 40 million people worldwide.
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Alzheimerova bolest trenutno pogađa 40 milijuna ljudi diljem svijeta.
01:42
But by 2050, it will affect 150 million people --
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A do 2050. godine, pogađat će 150 milijuna ljudi --
01:48
which, by the way, will include many of you.
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što će, usput, uključivati mnoge od vas.
01:53
If you're hoping to live to be 85 or older,
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Ako se nadate doživjeti više od 85 godina,
01:57
your chance of getting Alzheimer's will be almost one in two.
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šansa da ćete dobiti Alzheimerovu bolest je skoro jedan prema dva.
02:03
In other words, odds are you'll spend your golden years
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Drugim rječima, izgledi su da ćete provesti svoje zlatne godine
02:06
either suffering from Alzheimer's
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bolujući od Alzheimerove bolesti
02:09
or helping to look after a friend or loved one with Alzheimer's.
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ili pomažući u skrbi za prijatelja ili voljenu osobu koja boluje od iste bolesti.
02:14
Already in the United States alone,
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Dosad samo u SAD-u,
02:16
Alzheimer's care costs 200 billion dollars every year.
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troškovi skrbi za oboljele od Alzheimerove bolesti iznose 200 milijardi svake godine.
02:21
One out of every five Medicare dollars get spent on Alzheimer's.
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Jedan od svakih pet Medicare dolara odlazi na Alzheimera.
02:26
It is today the most expensive disease,
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Ovo je najskuplja bolest današnjice,
02:29
and costs are projected to increase fivefold by 2050,
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a predviđa se peterostruko povećanje troškova do 2050. godine,
02:33
as the baby boomer generation ages.
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kako baby boom generacija stari.
02:36
It may surprise you that, put simply,
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Možda vas iznenađuje, jednostavno rečeno,
02:39
Alzheimer's is one of the biggest medical and social challenges of our generation.
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da je Alzheimerova bolest jedan od najvećih medicinskih i društvenih izazova naše generacije.
02:44
But we've done relatively little to address it.
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A relativno smo malo napravili povodom toga.
02:47
Today, of the top 10 causes of death worldwide,
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U današnje vrijeme, od prvih 10 uzroka smrti diljem svijeta,
02:51
Alzheimer's is the only one we cannot prevent, cure or even slow down.
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Alzheimerova bolest je jedina koju ne možemo sprječiti, izliječiti ili pak usporiti.
02:59
We understand less about the science of Alzheimer's than other diseases
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Znanost iza Alzheimera razumijemo manje nego ijednu drugu bolest
03:03
because we've invested less time and money into researching it.
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jer smo uložili manje vremena i novca u njeno istraživanje.
03:07
The US government spends 10 times more every year
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Vlada SAD-a potroši 10 puta više svake godine
03:11
on cancer research than on Alzheimer's
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na istraživanje raka u odnosu na Alzheimerovu bolest
03:14
despite the fact that Alzheimer's costs us more
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usprkos činjenici da je Alzheimerova bolest skuplja
03:18
and causes a similar number of deaths each year as cancer.
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i uzrokuje sličan broj smrti svake godine kao i rak.
03:23
The lack of resources stems from a more fundamental cause:
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Nedostatak resursa proizlazi iz osnovnijeg uzroka:
03:27
a lack of awareness.
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nedostatak osvještenosti.
03:30
Because here's what few people know but everyone should:
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Evo, što malo ljudi zna, a svi bi trebali znati:
03:35
Alzheimer's is a disease, and we can cure it.
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Alzheimerovu bolest možemo izliječiti.
03:40
For most of the past 114 years,
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Većim dijelom posljednjih 114 godina,
03:42
everyone, including scientists, mistakenly confused Alzheimer's with aging.
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svi su, uključujući znanstvenike, zabunom zamijenili Alzeheimera za starenje.
03:48
We thought that becoming senile
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Mislili smo da je postati senilan
03:49
was a normal and inevitable part of getting old.
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normalan i neizbježan dio starenja.
03:53
But we only have to look at a picture
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No, treba smo pogledati sliku
03:55
of a healthy aged brain compared to the brain of an Alzheimer's patient
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zdravo ostarjelog mozga u odnosu na mozak Alzheimerovog pacijenta
03:58
to see the real physical damage caused by this disease.
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da bi se vidjelo stvarno fizičko oštećenje od ove bolesti.
04:02
As well as triggering severe loss of memory and mental abilities,
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Uz pokretanje ozbiljnog gubitka pamćenja i mentalnih sposobnosti,
04:06
the damage to the brain caused by Alzheimer's
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oštećenje mozga posljedicom Alzheimerove bolesti
04:09
significantly reduces life expectancy and is always fatal.
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znatno smanjuje očekivanu životnu dob i uvijek je smrtonosno.
04:14
Remember Dr. Alzheimer found strange plaques and tangles
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Zapamtite da je Dr. Alzheimer pronašao čudne plakove i petlje
04:17
in Auguste's brain a century ago.
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u Augustinom mozgu prije jednog stoljeća.
04:20
For almost a century, we didn't know much about these.
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Skoro cijelo stoljeće, nismo znali mnogo o njima.
04:24
Today we know they're made from protein molecules.
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Danas znamo da ih sazdaju molekule proteina.
04:27
You can imagine a protein molecule
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Možete zamisliti molekulu proteina
04:29
as a piece of paper that normally folds into an elaborate piece of origami.
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kao komad papira koji se normalno može saviti u složen komad origamija.
04:34
There are spots on the paper that are sticky.
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Pojedine točke na papiru su ljepljive.
04:36
And when it folds correctly, these sticky bits end up on the inside.
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Kad ga se presavije točno, ti ljepljivi djelovi završe u unutrašnjosti.
04:41
But sometimes things go wrong, and some sticky bits are on the outside.
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No, ponekad, stvari pođu po zlu, i neki ljepljivi dijelovi završe na vanjskoj strani.
04:46
This causes the protein molecules to stick to each other,
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Ovo uzrokuje da se molekule proteina međusobno spoje,
04:49
forming clumps that eventually become large plaques and tangles.
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stvarajući grumenje koje naposljetku postanu veliki plakovi i petlje.
04:53
That's what we see in the brains of Alzheimer's patients.
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To je ono što vidimo u mozgu pacijenta Alzheimerove bolesti.
04:57
We've spent the past 10 years at the University of Cambridge
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Posljednjih 10 godina na Sveučilištu Cambridge smo proveli
05:00
trying to understand how this malfunction works.
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pokušavajući razumijeti kako ove neispravnosti funkcioniraju.
05:03
There are many steps, and identifying which step to try to block is complex --
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Postoji mnogo koraka, a identifikacija koji korak treba blokirati je složena --
05:08
like defusing a bomb.
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kao razoružavanje bombe.
05:10
Cutting one wire might do nothing.
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Presjecanje jedne žice možda ne napravi ništa.
05:12
Cutting others might make the bomb explore.
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Presjecanje nekih drugih možda aktivira bombu.
05:16
We have to find the right step to block,
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Moramo pronaći pravi korak koji treba blokirati,
05:18
and then create a drug that does it.
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i onda stvoriti lijek koji to radi.
05:21
Until recently, we for the most part
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Donedavno, većinom smo
05:23
have been cutting wires and hoping for the best.
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presjecali žice i nadali se najboljem.
05:25
But now we've got together a diverse group of people --
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No, sada smo okupili raznovrsnu grupu ljudi --
05:28
medics, biologists, geneticists, chemists, physicists, engineers and mathematicians.
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liječnike, biologe, genetičare, kemičare, fizičare, inženjere i matematičare.
05:34
And together, we've managed to identify a critical step in the process
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I zajedno smo uspjeli identificirati kritičan korak u procesu
05:38
and are now testing a new class of drugs which would specifically block this step
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i sada testiramo novu klasu lijekova koja bi blokirala posebno taj korak
05:42
and stop the disease.
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i zaustavila bolest.
05:44
Now let me show you some of our latest results.
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Sada ću vam pokazati neke od posljednjih rezultata.
05:46
No one outside of our lab has seen these yet.
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Nitko izvan našeg laboratorija ih nije još vidio.
05:49
Let's look at some videos of what happened when we tested these new drugs in worms.
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Pogledajmo neke snimke što se dogodi kada testiramo ove nove lijekove na crvima.
05:54
So these are healthy worms,
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Ovo su zdravi crvi,
05:56
and you can see they're moving around normally.
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i kao što možete vidjeti kreću se normalno.
05:59
These worms, on the other hand,
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Ovi crvi, s druge strane,
06:02
have protein molecules sticking together inside them --
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imaju molekule proteina koje se iznutra spajaju --
06:05
like humans with Alzheimer's.
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kao kod ljudi koji boluju od Alzheimera.
06:07
And you can see they're clearly sick.
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I vidite da su očigledno bolesni.
06:09
But if we give our new drugs to these worms at an early stage,
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No, ako damo naš novi lijek ovim crvima u ranoj fazi,
06:14
then we see that they're healthy, and they live a normal lifespan.
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vidimo da su zdravi i imaju normalni život vijek.
06:19
This is just an initial positive result, but research like this
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Ovo su samo početni pozitivni rezultati, no istraživanje poput ovog
06:22
shows us that Alzheimer's is a disease that we can understand and we can cure.
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nam pokazuje da je Alzheimer bolest koju možemo razumjeti i izliječiti.
06:27
After 114 years of waiting,
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Nakon 114 godina čekanja,
06:30
there's finally real hope for what can be achieved
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napokon postoji stvarna nada koju možemo dostići
06:32
in the next 10 or 20 years.
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u sljedećih 10 ili 20 godina.
06:36
But to grow that hope, to finally beat Alzheimer's, we need help.
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No, da bi ta nada narasla, da bi konačno pobjedili Alzeimerovu bolest, trebamo pomoć.
06:40
This isn't about scientists like me --
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Ovdje se ne radi o znanstvenicima poput mene --
06:42
it's about you.
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nego o vama.
06:44
We need you to raise awareness that Alzheimer's is a disease
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Trebamo vas da proširite svijest o tome da je Alzheimer bolest
06:48
and that if we try, we can beat it.
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i da ako se budemo trudili, možemo ju pobjediti.
06:50
In the case of other diseases,
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U slučaju drugih bolesti,
06:52
patients and their families have led the charge for more research
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pacijenti i njihove obitelji su preuzeli vodstvo za više istraživanja
06:55
and put pressure on governments, the pharmaceutical industry,
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i pritisnuli vlade, farmaceutsku industriju,
06:58
scientists and regulators.
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znanstvenike i regulatore.
07:01
That was essential for advancing treatment for HIV in the late 1980s.
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To je bilo esencijalno pri napretku u liječenju HIV-a kasnih 1980-tih godina.
07:05
Today, we see that same drive to beat cancer.
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Danas, vidimo jednaku akciju protiv raka.
07:10
But Alzheimer's patients are often unable to speak up for themselves.
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No, Alzheimerovi pacijenti često ne mogu pričati u svoje ime.
07:14
And their families, the hidden victims, caring for their loved ones night and day,
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A njihove obitelji, skrivene žrtve, koje skrbe o svojim voljenima danonoćno,
07:19
are often too worn out to go out and advocate for change.
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su često preiscrpljeni da bi izašli i zagovarali promjenu.
07:23
So, it really is down to you.
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Tako da je na vama.
07:27
Alzheimer's isn't, for the most part, a genetic disease.
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Alzheimer nije, većim dijelom, genetska bolest.
07:31
Everyone with a brain is at risk.
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Svatko sa mozgom je pod rizikom.
07:34
Today, there are 40 million patients like Auguste,
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Danas, postoji 40 milijuna pacijenata poput Auguste,
07:38
who can't create the change they need for themselves.
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koji ne mogu stvarati promjenu koja im je potrebna.
07:41
Help speak up for them,
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Pomozite podići glas za njih,
07:44
and help demand a cure.
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i pomozite zahtjevati lijek.
07:47
Thank you.
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Hvala vam.
07:48
(Applause)
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(Pljesak)
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