Haweenka uurka leh - iyo gaar ahaan, haweenka uurka leh ee qaba xaaladaha thyroid - waxay u baahan yihiin iodine dheeraad ah. Iodine waa lagama maarmaan, sababtoo ah waa dhismaha dhismaha ee soo saaridda jirka ee hoormoonka tayroodh . Inta lagu jiro seddexda bilood ee ugu horreeya ee uurka, marka uurjiifku uusan awoodin inuu soo saaro hoormoonka tayroodhka, hooyadu waxay soo saartaa "hormoonka thyroid laba," si loo hadlo. Haddii aysan haysanin iodine ku filan nidaamkeeda, caafimaadka ilmaheeda - iyo caafimaadkeeda - waxaa laga yaabaa inay ku dhacdo sabab la'aan la'aanta hoormoonka tiyoo ku filan.
Inkastoo yaraanshaha iodineed ee maaha arrin ka jirta Maraykanka, waa kor u kac. Dhammaadkii 2006, Guddiga Caafimaadka Dadweynaha ee Ururka Astaamaha Tacliinta ee Maraykanka (ATA) ayaa soo saartay warbixin qoraal ah oo lagu daabacay wargeyska Thyroid isagoo ugu baaqaya dhammaan dumarka uurka leh inay ku kabtaan iodine. Iyo 2003-2004 Daraasada Imtixaanka Baaritaanka Caafimaadka iyo Nafaqada Qaranka (NHANES) ayaa lagu ogaaday in in ka badan 37% haweenka ku jira da'da caruurtu inay leeyihiin qiimaha kaadida iodine oo soo jeedinaysa yaraanta yaraanta iodine.
Heerarka lagu taliyey ee Iodine
Cabsida laga qabo iodine yaraanta waqtiga uurka iyo nuujinta (naas-nuujinta) waxay keentay tiro badan oo ka mid ah ururada bixiya tilmaamo iyo talooyin loogu talagalay in la qaato. Sida laga soo xigtay wargayska New England Journal of Medicine (NEJM), kuwani waa heerarka lagu taliyey ee qaadashada maalinlaha ah ee iodine intii uurka iyo nuujinta:
- Qiyaasta iodine-ka ee maalintii oo dhan 220 μg inta lagu jiro uurka iyo 290 μg inta lagu jiro nuujinta - Machadka Daawada
- Daaweynta maalinlaha ah ee iodiinta 250 μg ee dumarka uurka leh iyo kuwa nuujinaya - Ururka Caafimaadka Adduunka
- Vitamin leh heerka iodine 150 μg ee haweenka uurka leh iyo kuwa nuujinaya - Ururka Astaamaha Maraykanka
Xeerarka 2011 ee Xanuunka Cudurka Thyroid-ka ee uurka leh waxay sidoo kale kugula talineysaa in la dheellitiro iodine inta lagu jiro mudada uurka, uurka iyo inta naas nuujineysa.
Inkasta oo haween badani ay u maleynayaan in fitamiinada uurka leh ay leeyihiin dhammaan nafaqooyinka muhiimka ah ee u baahan haween uur leh, iodine content of multivitamins ee lagu iibiyo gudaha Mareykanka looma baahna. Taas macnaheedu waa fiitamiinada uurka ka hor waxay leeyihiin heerar kala duwan oo iodine ah, iyo sababta oo ah iodine-ka iyaga ka imaan kara ilo kala duwan, waxay badanaa bixiyaan heerka dhabta ah ee iodine oo ka duwan awoodda la sheegay.
NEJM ayaa ku soo warisay qiimeyn lagu eegay 127 qalinjabin iyo 96 dawo oo labadii sano ee uurka ahayd ee laga iibsaday Mareykanka. Qeybahaas kala duwan, 114 (87 bakhti-bilaash ah, 27 daawo-qoris) ayaa ku jira iodine. Guud ahaan, qiyaastii kala badh fitamiinada ayaa qiimeeyey iodine, oo leh 32% oo ah fitamiinada aan daawada u baahnayn oo ay ku jirto iodine oo iyaduna ah, iyadoona 72% ka mid ah fitamiinada daawada uurka laga qaato ee la darsay ayan lahayn wax iodine ah.
Waxaa ka mid ah kuwa ay ka mid yihiin iodine, 89% waxay ku jiraan 150 μg ama ka badan oo iodine ah maalin kasta. Inta badan waxay iodine ka heshay kelp ama potassium iodide. Cilmi baadhayaashu waxay qiimeeyeen iodine 60 ka mid ah fitamiinada uurka leh ee iodine oo ay guud ahaan ka heshay, fitamiinada leh iodine potassium, iodine content waxay u dhigantaa u dhiganta 76% wadarta guud ee potassium iodide.
Kelp ma bixinin heerar istiraatiijiyadeed oo lagu kalsoonaan karo, si kastaba ha ahaatee, waxay ku kala duwan yihiin 50% heerarka la sheegay. Toban magacood ayaa leh qiimaha iodine oo u dhiibay in ka yar kala badh heerka iodine ah.
Sida laga soo xigtay khubarada, si ay u daboolaan shuruucda ugu yar ee 150 μg ee haweenka uurka leh iyo kuwa nuujinaya ee ay ku taliyeen Ururka Tiro-yar ee Maraykanka, kuwa soo saarayaasha kala duwan ee hooyooyinka uurka leh ee ku nool Maraykanka waa in lagu dhiirigeliyaa inay ku jiraan iodine - laakiin kaliya ku jirta foomka kalsoonida leh ee "potassium iodide" iyo in lagu daro ugu yaraan 197 μg of potassium iodide maalin kasta, taas oo xaqiijin doonta in fitamiinadani ay ku jiraan 150 μg oo ah maalin kasta oo iodine ah oo dheeri ah.
Sannadka 2015, Golaha Mareykanka ee Nafaqada Nafaqada ah ayaa loogu yeeray "dhammaan iibiyeyaasha cuntada iyo iibiyeyaasha in ay bilaabaan oo ay ka mid yihiin ugu yaraan 150 μg oo iodine ah oo lagu daray dhammaan noocyada kala duwan ee isku-dhafan / macdanta ee loogu talagalay haweenka uurka leh iyo kuwa nuujinaya ee ku jira Maraykanka 12ka bilood ee soo socda . "
Ilaha:
> Leung, Angela MD et. al. "Wareysiga Iodine ee Maqaarka ee Multivitamins ee Wadanka Maraykanka,", "Journal of New England Journal of Medicine, Volume 360: 939-940, Febraayo 26, 2009, Lambarka 9