WEBVTT

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Imagjinoni disa biskota te ngrohta e te lengshme,

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karamele krokante,

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keke te mendafshte,

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kone prej vaferi te tejmbushur me akullore.

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A po ju leshon goja leng?

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Ju vjen deshira per embelsira?

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Pse?

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Cfare ndodh ne trurin tone

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qe i ben kaq te parrezistueshme ushqimet e embla?

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Fjala sheqer eshte nje term i pergjithshem

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qe perdoret per te pershkruar nje categori molekulash

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te quajtura karbohidrate,

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dhe gjendet ne nje game te gjere ushqimesh dhe pijesh.

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Mjafton te kontrolloni etiketat e embelsirave qe blini.

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Glukosa,

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fruktoza,

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sukroza,

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maltoza,

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laktozi,

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dekstroza,

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dhe niseshteja

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jane te gjitha forma sheqernash.

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Sic jane edhe shurupi i mistrit me nivel te larte fruktoze,

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lengjet e frutave,

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sheqeri

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apo mjalti.

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Dhe sheqeri nuk gjendet vetem tek karamelet e embelsirat,

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ai i shtohet edhe salces se domateve,

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kosit,

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frutave te thata,

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ujerave te aromatizuara,

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apo shufrave me mysli.

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Duke qene se sheqeri ndodhet gjithandej,

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eshte e rendesishme te kuptojme

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se c'ndikim ka ai tek truri.

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Cfare ndodh kur sheqeri prek gjuhen tone?

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A eshte e vertete se po te hash pak sheqer

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deshiron edhe me shume?

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Kafshon nje shufer grunjerash.

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Sheqeri qe ajo permban

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aktivizon receptoret e shijet

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qe ndodhen ne gjuhe.

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Keta receptore dergojne nje sinjal ne trungun e trurit,

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dhe nga aty, sinjali shperndahet

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ne zona te ndryshme te trurit,

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njera prej te cilave eshte korteksi.

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Zona te ndryshme te kortekstit

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perpunojne shije te ndryshme:

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te hidhuren,

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te kripuren,

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umamin,

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dhe ne rastin tone, te emblen.

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Prej ketej sinjali aktivizon

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sistemin shperblyes te trurit.

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Ky sistem shperblyes perbehet nga nje sere

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ngacmimesh elektrike dhe kimike

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te zonave te ndryshme te trurit.

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Eshte nje rrjet i nderlikuar,

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por ai ndihmon ne gjetjen e pergjigjes 
per te vetmen pyetje te pandergjegjshme:

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a duhet te vazhdoj?

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Ajo ndjesia e ngrohte, marramendese qe ke

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kur provon kekun me cokollate te gjyshes?

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Eshte sistemi i shperblimit qe te thote,

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"Hmm, po! "

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Ai nuk aktivizohet vetem nga ushqimi.

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Shoqerizimi,

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sjellja seksuale

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dhe drogat

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jane vetem pak nga shembujt

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te gjerave apo pervojave

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qe aktivizojne sistemin e shperblimit.

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Por kur ky sistem aktivizohet se tepermi

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atehere nisin nje sere ngjarjesh te papelqyeshme:

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humbje kontrolli,

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uri,

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dhe tolerance e tepruar ndaj sheqernave.

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Le te kthehemi tek kafshata jone e grunjerave.

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Ajo udheton poshte drejt stomakut,

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dhe pastaj drejt zorreve.

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Dhe a e di?

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Ketu ndodhen receptore te tjere te sheqernave.

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Nuk dallojne shijen,

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por ama dergojne sinjale

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qe i thone trurit tend se je i ngopur

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apo se trupi duhet te prodhoje me shume insuline

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per te perballuar sheqerin e tepert qe ti po ha.

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Monedha kryesore

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e sistemit tone te shperblimit eshte dopamina,

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nje neurotransmetues i rendesishem kimik.

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Ne pjesen e perparme te trurit ka shume receptore dopamine,

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por ata nuk jane te shperndare njetrajtesisht.

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Ne disa zona gjenden ishuj te dendur receptoresh,

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dhe keto pika te nxehta

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jane pjese e sistemit te shperblimit.

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Drogat si alkooli,

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nikotina,

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apo heroina

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e cojne ne qiell nivelin e dopamines,

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gje qe i nxit disa njerez te arrijne gjithnje ate nivel te larte,

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e thene ndryshe, te krijojne varesi.

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Edhe sheqeri nxit prodhimin e dopamines,

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por jo ne nivele aq te larta sa drogat.

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Dhe sheqeri eshte nje nga ushqimet e rralla 
qe nxisin prodhimin e dopamines.

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Per shembull, brokoli nuk ka asnje efekt,

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gje qe ndoshta shpjegon se pse

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eshte kaq e veshtire 
t'i bindesh femijet te hane perime.

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Teksa flasim per ushqimet e shendetshme,

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supozojme se ti ke uri

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dhe vendos te hash nje vakt te balancuar.

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Ti e ben kete, keshtu dopamina ngacmon

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ishujt e ndjeshem te sistemit te shperblimit.

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Por nese ti ha po te njejtin ushqim per disa dite rresht,

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niveli i dopamines do te ulet gjithnje e me shume,

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derisa te arrije ne zero.

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Kjo ndodh sepse, kur flitet per ushqime,

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gjate evolucionit truri u mesua 
t'i kushtonte vemendje te vecante

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shijeve te reja ose te ndryshme.

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Pse?

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Ka dy arsye:

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e para, per te kuptuar nese ushqimi ishte apo jo i prishur.

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e dyta, sepse sa me shume varietet

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te kemi ne dieten tone,

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aq me e lehte do te jete

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qe te marrim gjithe lendet qe na duhen.

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Ne menyre qe t'a mbajme te gjalle kete varietet,

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duhet te jemi ne gjendje te dallojme nje ushqim te ri,

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dhe c'ka eshte me e rendesishme,

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duhet te kemi gjithnje deshiren 
per te ngrene ushqime te reja.

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Ja pse niveli i dopamines bie

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kur ushqimi behet i merzitshem.

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Tani le te kthehemi tek vakti jone.

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Cfare ndodh nese ne vend

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te atij vakti te shendetshem e te balancuar,

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ti vendos te hash ushqime 
me permbajtje te larte sheqeri?

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Nese e ha rralle sheqerin

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ose nuk ha shume prej tij pernjeheresh,

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efekti do te jete i njejte me ate 
te nje vakti te balancuar.

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Nese ha shume,

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atehere niveli i dopamines nuk do te bjere.

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E thene ndryshe, nese ha shume sheqerna

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do te ndihesh gjithnje i shperblyer.

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Ne kete drejtim, sheqeri sillet paksa si drogat.

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Kjo eshte nje prej arsyeve 
perse njerezit krijojne varesi

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ndaj ushqimeve te embla.

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Tani, kujtoni te gjitha llojet e ndryshme te sheqerit.

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Secili prej tyre eshte unik,

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por sa here qe njeri prej tyre hyn ne sistemin tone,

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ai nxit nje efekt domino ne trurin tone

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qe prodhon nje ndjesi shperblimi.

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Eshte e forte, dhe ndodh shpesh,

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prandaj ndodh edhe qe te kalohet limiti.

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Pra, konsumi i tepert i sheqernave,

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mund te krijoje varesi te trurit,

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por nje copez kek nje here ne kaq 
nuk do t'ju sjelle asnje te keqe.