Ngaba ukhe wacinga malunga nokuba ukutya ngeeyure ezingaqhelekanga ngempelaveki kunokuba nefuthe emzimbeni wethu? Le mfihlakalo ityhilwe luphononongo olutsha oluvela kwiYunivesithi yaseBarcelona, eye yagqiba ekubeni ukungahambi kakuhle kweeshedyuli ngeempelaveki (ukutya jet lag) inokunxulumana nokunyuka kwesalathisi sobunzima bomzimba.
Idatha, epapashwe kwi Nutrients magazine, zifunyenwe ngokuzimeleyo kwizinto ezifana nomgangatho wokutya, inqanaba lomsebenzi womzimba, i-jet lag yentlalo (umahluko kumaxesha obuthongo ngempelaveki) okanye i-chronotype (isimo sendalo kwixesha elithile lokulala kunye nokuvuka). Nangona i-BMI ingelophawu oluthembekileyo ukwazi ukuba umntu usempilweni okanye hayi, kubonisiwe ukuba eyona mpembelelo inkulu yenzeka xa kukho umahluko ixesha 3 iiyure okanye ngaphezulu phakathi kokutya ngeempelaveki nangezinye iintsuku.
Kutheni kubalulekile ukutya rhoqo iiyure?
Ngokutsho kwabaphandi, olu luphononongo lokuqala lokubonisa ukubaluleka kwamaxesha okutya rhoqo (nangeempelaveki) ukulawula ubunzima. Baqinisekisa ukuba inokuba yinto ekufuneka ithathelwe ingqalelo njengenxalenye yezikhokelo zesondlo sokuthintela ukutyeba.
Kwiminyaka yakutshanje, kuye kwaboniswa ukuba umzimba uthatha iikhalori ngokwahlukileyo ngokuxhomekeke kwixesha lemini. Ngokomzekelo, ukuba nesidlo sasemini emva kwexesha okanye isidlo sangokuhlwa kuye kwanxulunyaniswa nomngcipheko okhulayo wokutyeba ngokugqithiseleyo. Ngokutsho kwababhali, “Lo mahluko unxulumene newotshi yethu yebhayoloji, ethi ilungelelanise okwethutyana imizimba yethu ukuba idibanise kwaye isebenzise iikhalori esizisebenzisayo emini.«. Ebusuku, kwelinye icala,ilungiselela umzimba ukuzila ukutya okwenzeka ngoxa silele«.
«Ngenxa yoko, xa ukungeniswa kwenzeka rhoqo, el iwotshi ejikelezayo iqinisekisa ukuba iindlela zemetabolism yomzimba ziyasebenza ukuze kufunyaniswe izondlo. Nangona kunjalo, xa ukutya kudliwe ngexesha elingaqhelekanga, izondlo zinokusebenza kumatshini wemolekyuli weewotshi zeperipheral (ngaphandle kwengqondo), ukuguqula ishedyuli yazo kwaye, ngenxa yoko, ukuguqula imisebenzi yemetabolism yezinto eziphilayo.«.
Kulo phando, abaphandi baye bahlalutya ubudlelwane phakathi kwesalathisi sobunzima bomzimba kunye nokuhlukahluka kwamaxesha okutya ngeveki xa kuthelekiswa nezinye iintsuku. Basebenzise isiphawuli esitsha esibandakanya utshintsho kumaxesha okutya (isidlo sakusasa, isidlo sasemini, kunye nedinala) ngeempelaveki: ukutya jet lag, igama elenziwe kolu phando.
«Iziphumo zethu zibonisa ukuba ukutshintsha amaxesha okutya okuthathu ngeempelaveki kunxulunyaniswa nokutyeba. Impembelelo enkulu kwi-BMI iya kwenzeka xa sinokwahlukana kwexesha le-3 iiyure okanye ngaphezulu. Ukusuka kweli nqanaba, kuxa umngcipheko wokutyeba unokunyuswa«.
Kukho ikhefu phakathi kweshedyuli yezinto eziphilayo kunye neyoluntu
Ukucacisa ubudlelwane phakathi kokutya i-jet lag kunye nokutyeba, abaphandi bacebisa ukuba kwimpelaveki nganye abantu bafumana ukukhanya. Ukuphazamiseka kwekronobhoni, ukungabikho kwe-synchrony phakathi kwexesha langaphakathi lezinto eziphilayo kunye nentlalontle.
«Iwotshi yethu yebhayoloji ifana nomatshini, kwaye ngenxa yoko ilungiselelwe ukuvusa impendulo efanayo yomzimba okanye yemetabolism ngexesha elinye losuku, yonke imihla yeveki. Iishedyuli ezichaziweyo zokutya kunye nokulala zinceda ukugcina umbutho wethutyana womzimba kunye nokukhuthaza i-homeostasis yamandla. Ngoko, abantu abanotshintsho olukhulu lweeshedyuli banokutyekela ekubeni batyebe kakhulu kwaye batyebe«.
«Ukongeza kokutya kunye nokuzilolonga, eziziintsika ezimbini kunyango lokutyeba, izinto ezinje ngokuhlala rhoqo kumaxesha okutya kufuneka zithathelwe ingqalelo, kuba siye saqinisekisa ukuba zinefuthe kubunzima bomzimba wethu.«.eating jet lag