Iodine yog ib qho ntxhia hauv pob zeb uas koj lub cev xav tau coj los ua ke cov thyroid hormones hu ua thyroxine (T4) thiab triiodothyronine (T3). Cov tshuaj hormones yog tsim nyog rau kev tswj koj lub cev kev loj hlob, kev loj hlob, metabolismism thiab lub cev kub.
Feem ntau ntawm iodine hauv koj lub cev nyob hauv cov thyroid caj pas, tab sis qee cov pom muaj nyob rau hauv cov ntshav thiab cov leeg. Thiab thaum lub sijhawm tseem ceeb ua haujlwm nrog cov thyroid hormones, iodine kuj tseem ceeb rau kev noj qab haus huv thiab lub cev tsis muaj zog.
Cov kev qhia txog kev noj haus yog tsim los ntawm Lub Chaw Noj Qab Haus Huv thiab Tshuaj ntawm National Academies of Sciences, Engineering, thiab Medicine. Cov lus pom zoo yog raws hnub nyoog thiab nruab nrab yog tus nqi xav tau rau tus neeg noj qab haus huv. Cov poj niam cev xeeb tub los yog pub niam mis yuav tsum tau ntau dua iodine.
Kev Noj Haus Txuas Siv
1 txog 8 xyoos: 90 micrograms ib hnub twg
9 mus rau 13 xyoos: 120 micrograms tauj ib hnub
14+ xyoos: 150 micrograms ib hnub twg
Cov poj niam xeeb tub: 220 micrograms tauj ib hnub
Cov poj niam uas pub niam mis: 290 micrograms tauj ib hnub
Iodine feem ntau pom muaj nyob rau hauv cov nqaij nruab deg, iodized ntsev, thiab tsawg dua hauv cov khoom siv mis, txiv hmab txiv ntoo thiab zaub. Iodine yuav muaj tshuaj lom ntau (kwv yees li 1,000 micrograms hauv ib hnub). Kev noj ntau dhau iodine tuaj yeem tswj hwm cov thyroid caj pas.
Iodine Deficiency
Kev tsis muaj peev xwm ua rau muaj peev xwm ua rau muaj thyroid tus mob hu ua goiter. Ib yam tshuaj hu ua cov thyroid stimulating hormone tsub kom cov thyroid qhov kev muaj peev xwm coj tuaj rau iodine thiab stimulates cov synthesis thiab tso tawm ntawm cov thyroid hormones T3 thiab T4.
Ib qho tsis muaj iodine ua rau cov qib qog stimulating hormone siab dhau heev lawm thiab ua rau tus neeg tu qaib.
Goiter tau tshwm sim hauv nruab nrab hauv Teb Chaws Asmeskas thaum xyoo 20th txij li thaum cov av tsis muaj iodine (nroj tsuag uas cog hauv cov cheeb tsam ntug hiav txwv muaj cov iodine me me los ntawm cov av). Ntxiv iodine rau lub rooj ntsev zoo tau muab cov iodine deficiency lawm.
Iodine Toxicity
Ntev npaum li cas ntawm iodine tuaj yeem ua rau cov tsos mob zoo xws li iodine deficiency thiab hypothyroidism hauv qee leej neeg. Yog tias koj muaj mob, koj yuav tsum nrog koj tus kws kho mob tham txog koj cov ntaub ntawv iodine.
Lub koom haum ntawm cov tshuaj tau teem caij rau cov kab mob qog ntawm iodine ntawm 1,100 micrograms ib hnub rau cov neeg laus. Qhov siab tshaj qhov siab tshaj yog qhov loj tshaj plaws uas paub tias yuav tsum muaj kev ruaj ntseg rau nruab nrab tus neeg noj qab nyob zoo noj txhua hnub. Cov neeg muaj mob thyroid tej zaum yuav muaj peev xwm txo qis tshaj plaws thiab yuav tsum nrog tus kws kho mob tham.
Qhov chaw:
Gropper SS, Smith JL, Groff JL. "Cov khoom noj khoom haus zoo tshaj plaws thiab cov tib neeg metabolism." Sixth Edition. Belmont, CA. Wadsworth Publishing Company, 2013.
Kev Noj Qab Haus Huv thiab Kho Mob Cov Tsev Kawm Ntawv ntawm National Academies of Sciences, Engineering, thiab Medicine. "Dietary Reference Intakes Ntxhuav thiab Daim Ntawv Thov." http://www.nationalacademies.org/hmd/activities/nutrition/summarydris/dri-tables.aspx.
National Institutes of Health Office of Dietary Pab. "Iodine - Cov Lus Qhia Txog Kev Mob Nkeeg." http://ods.od.nih.gov/factsheets/Iodine-HealthProfessional/.