How stress affects your body - Sharon Horesh Bergquist

7,511,555 views ・ 2015-10-22

TED-Ed


Dvaput kliknite na engleske titlove ispod za reprodukciju videozapisa.

Prevoditelj: Jasmina Sevo Recezent: Sanda L
00:08
Cramming for a test?
0
8921
1855
Štrebate za test?
00:10
Trying to get more done than you have time to do?
1
10776
3673
Pokušavate prijeći više no što vam vrijeme dopušta?
00:14
Stress is a feeling we all experience when we are challenged or overwhelmed.
2
14449
5739
Stres je osjećaj koji svi iskusimo kad smo pred izazovom ili smo preopterećeni.
00:20
But more than just an emotion,
3
20188
1896
Ali ne samo obična emocija,
00:22
stress is a hardwired physical response that travels throughout your entire body.
4
22084
6917
stres je instinktivna fizička reakcija koja prožima cijelo vaše tijelo.
00:29
In the short term, stress can be advantageous,
5
29001
2948
Kratkoročno gledano, stres može biti koristan,
00:31
but when activated too often or too long,
6
31949
3283
ali ako se prečesto aktivira ili traje previše dugo,
00:35
your primitive fight or flight stress response
7
35232
2977
vaša instinktivna reakcija 'bori se ili bježi'
00:38
not only changes your brain
8
38209
1963
ne samo da mijenja vaš mozak,
00:40
but also damages many of the other organs and cells throughout your body.
9
40172
6105
nego oštećuje i mnoge druge organe i stanice u čitavom tijelu.
00:46
Your adrenal gland releases the stress hormones
10
46277
2942
Nadbubrežna žlijezda oslobađa hormone stresa
00:49
cortisol, epinephrine, also known as adrenaline,
11
49219
3793
kortizol, epinefrin, poznat i kao adrenalin,
00:53
and norepinephrine.
12
53012
2286
te norepinefrin.
00:55
As these hormones travel through your blood stream,
13
55298
2444
Kako ovi hormoni putuju krvotokom,
00:57
they easily reach your blood vessels and heart.
14
57742
3617
lako dolaze do krvnih žila i srca.
01:01
Adrenaline causes your heart to beat faster
15
61359
2572
Adrenalin uzrokuje da vam srce brže kuca
01:03
and raises your blood pressure, over time causing hypertension.
16
63931
5113
i diže vam krvni tlak koji vremenom dovodi do hipertenzije.
01:09
Cortisol can also cause the endothelium, or inner lining of blood vessels,
17
69044
4750
Kortizol također može prouzročiti da endotelij, unutarnji sloj krvnih žila,
01:13
to not function normally.
18
73794
2310
ne funkcionira normalno.
01:16
Scientists now know that this is an early step
19
76104
2744
Znanstvenici sada znaju da je ovo rani korak
01:18
in triggering the process of atherosclerosis
20
78848
3550
u poticanju procesa ateroskleroze
01:22
or cholesterol plaque build up in your arteries.
21
82398
3494
ili nakupljanja kolesterola u arterijama.
01:25
Together, these changes increase your chances of a heart attack or stroke.
22
85892
5780
Ove promjene zajedno mogu povećati rizik za srčani ili moždani udar.
01:31
When your brain senses stress,
23
91672
2146
Kad mozak osjeti stres,
01:33
it activates your autonomic nervous system.
24
93818
2731
on aktivira autonomni živčani sustav.
01:36
Through this network of nerve connections,
25
96549
2372
Ovom mrežom živčanih veza,
01:38
your big brain communicates stress to your enteric,
26
98921
3284
veliki mozak prenosi stres na enterični
01:42
or intestinal nervous system.
27
102205
4871
ili crijevni živčani sustav.
01:47
Besides causing butterflies in your stomach,
28
107076
2577
Osim što izaziva leptiriće u trbuhu,
01:49
this brain-gut connection can disturb the natural rhythmic contractions
29
109653
5006
ova veza između mozga i crijeva može poremetiti prirodne ritmičke kontrakcije
01:54
that move food through your gut,
30
114659
2320
koje provode hranu kroz crijeva,
01:56
leading to irritable bowel syndrome,
31
116979
2496
što dovodi do sindroma iritabilnog crijeva
01:59
and can increase your gut sensitivity to acid,
32
119475
3151
i može povećati osjetljivost crijeva na kiselinu,
02:02
making you more likely to feel heartburn.
33
122626
2981
povećavajući vjerojatnost za pojavu žgaravice.
02:05
Via the gut's nervous system,
34
125607
1636
Preko crijevnog živčanog sustava,
02:07
stress can also change the composition and function of your gut bacteria,
35
127243
5875
stres također može promijeniti sastav i funkciju crijevnih bakterija,
02:13
which may affect your digestive and overall health.
36
133118
3683
što može utjecati na probavu i opće zdravlje.
02:16
Speaking of digestion, does chronic stress affect your waistline?
37
136801
3890
Kada smo kod probave, ima li kronični stres utjecaja na liniju?
02:20
Well, yes.
38
140691
1413
Pa, ima.
02:22
Cortisol can increase your appetite.
39
142104
2152
Kortizol može povećati apetit.
02:24
It tells your body to replenish your energy stores
40
144256
3017
On govori tijelu da obnovi zalihe energije
02:27
with energy dense foods and carbs, causing you to crave comfort foods.
41
147273
6474
visokokaloričnom hranom i ugljikohidratima dovodeći do želje za 'hranom za utjehu'.
02:33
High levels of cortisol can also cause you to put on those extra calories
42
153747
3569
Visoke razine kortizola mogu prouzročiti da nabacite dodatne kalorije
02:37
as visceral or deep belly fat.
43
157316
3562
kao što je visceralno ili trbušno salo, duboko u abdomenu.
02:40
This type of fat doesn't just make it harder to button your pants.
44
160878
3241
Ova vrsta sala ne otežava vam samo zakopčati hlače.
02:44
It is an organ that actively releases hormones
45
164119
2743
Ono je organ koji aktivno otpušta hormone
02:46
and immune system chemicals called cytokines
46
166862
3210
i kemikalije imunološkog sustava po imenu citokini,
02:50
that can increase your risk of developing chronic diseases,
47
170072
3902
koji mogu povećati rizik za razvoj kroničnih bolesti,
02:53
such as heart disease and insulin resistance.
48
173974
2889
kao što su srčane bolesti i inzulinska rezistencija.
02:56
Meanwhile, stress hormones affect immune cells in a variety of ways.
49
176863
4815
S druge strane, hormoni stresa utječu na imunološke stanice na više načina.
03:01
Initially, they help prepare to fight invaders and heal after injury,
50
181678
4402
Prvo, pomažu u pripremi za borbu protiv napadača i oporavku nakon povrede,
03:06
but chronic stress can dampen function of some immune cells,
51
186080
4056
ali kronični stres može oslabiti funkciju nekih stanica imuniteta,
03:10
make you more susceptible to infections, and slow the rate you heal.
52
190136
4936
učiniti vas podložnijim infekcijama i usporiti brzinu oporavka.
03:15
Want to live a long life?
53
195072
1954
Želite živjeti dugo?
03:17
You may have to curb your chronic stress.
54
197026
2539
Možda ćete morati zauzdati taj kronični stres.
03:19
That's because it has even been associated with shortened telomeres,
55
199565
4176
Zato što je to čak povezano sa skraćenim telomerima,
03:23
the shoelace tip ends of chromosomes that measure a cell's age.
56
203741
4628
visuljcima nalik vezicama na krajevima kromosoma koji mjere starost stanice.
03:28
Telomeres cap chromosomes
57
208369
1780
Telomeri natkrivaju kromosome
03:30
to allow DNA to get copied every time a cell divides
58
210149
3452
kako bi dozvolili da se DNK kopira svaki put kad se stanica podijeli,
03:33
without damaging the cell's genetic code,
59
213601
3279
a da se ne ošteti genetski kod stanice,
03:36
and they shorten with each cell division.
60
216880
2864
a svakom podjelom stanice one se skraćuju.
03:39
When telomeres become too short, a cell can no longer divide and it dies.
61
219744
5201
Kada telomeri postanu prekratki, stanica se ne može više dijeliti i umire.
03:44
As if all that weren't enough,
62
224945
1690
Kao da to sve nije dovoljno,
03:46
chronic stress has even more ways it can sabotage your health,
63
226635
3863
kronični stres ima još načina na koje može sabotirati vaše zdravlje,
03:50
including acne,
64
230498
1408
uključujući akne,
03:51
hair loss,
65
231906
1185
gubitak kose,
03:53
sexual dysfunction,
66
233091
1385
seksualnu disfunkciju,
03:54
headaches,
67
234476
1123
glavobolje,
03:55
muscle tension,
68
235599
1155
mišićnu napetost,
03:56
difficulty concentrating,
69
236754
1476
teškoće u koncentraciji,
03:58
fatigue,
70
238230
1128
umor
03:59
and irritability.
71
239358
1859
i razdražljivost.
04:01
So, what does all this mean for you?
72
241217
2599
Pa, što sve ovo znači vama?
04:03
Your life will always be filled with stressful situations.
73
243816
3537
Vaš život će uvijek biti ispunjen stresnim situacijama.
04:07
But what matters to your brain and entire body
74
247353
3304
Ali, ono što je važno za mozak i cijelo tijelo
04:10
is how you respond to that stress.
75
250657
2735
je kako vi reagirate na taj stres.
04:13
If you can view those situations as challenges you can control and master,
76
253392
4814
Ako na te situacije gledate kao na izazove koje možete kontrolirati i svladati,
04:18
rather than as threats that are insurmountable,
77
258206
2886
a ne kao na prijetnje koje su nepremostive,
04:21
you will perform better in the short run and stay healthy in the long run.
78
261092
4783
ubrzo ćete raditi bolje i duže ćete ostati zdravi.
O ovoj web stranici

Ova stranica će vas upoznati s YouTube videozapisima koji su korisni za učenje engleskog jezika. Vidjet ćete lekcije engleskog koje vode vrhunski profesori iz cijelog svijeta. Dvaput kliknite na engleske titlove prikazane na svakoj video stranici da biste reproducirali video s tog mjesta. Titlovi se pomiču sinkronizirano s reprodukcijom videozapisa. Ako imate bilo kakvih komentara ili zahtjeva, obratite nam se putem ovog obrasca za kontakt.

https://forms.gle/WvT1wiN1qDtmnspy7