Zingamve zachilendo kutsindika kufunikira kwa vitamini D ngati chirimwe, komabe ambiri a ife tidzapitirizabe kuwonjezera supplementation ngakhale kuchuluka kwa nyengo. Ngati mawindo anu ali otsika, tchuthi limodzi kapena awiri sabata kumtunda mwina sangakhale okwanira kuti abweretse vitamini kuti akhale oyenerera. Ndipo, ngati mumagwira ntchito m'nyumba kapena mutakhala ndi mawindo a dzuwa pamene mumatuluka panja (ndikupindulitsani ngati mukutero), muyenera kuwonjezera pa vitamini D.
Kuphatikiza pa zotsatira zake zokhudzana ndi kupuma kwa khungu ndi kashiamu, vitamini D imapereka mphamvu yoteteza khansa. Zina mwazomwe zimafukulidwa pansi pa sayansi ya zakudya m'zaka zaposachedwapa zakhala umboni wa vitamini D wokhoza kuteteza khansa. Mapepala osayansi oposa 800 asindikizidwa pa mgwirizano pakati pa vitamini D ndi khansa. Tsopano tili ndi umboni wochuluka wakuti kukhala ndi mavitamini oyenera a vitamini D ndi njira yabwino yothandizira khansa. Kafukufuku amasonyeza kuti vitamini D yokwanira imachepetsa chiopsezo cha imfa m'matenda, khansa, mafupa ndi prostate, khansa ya m'magazi ndi maimymphomas komanso khansa yonse kuphatikizapo. Kufufuza kwa 2014 pa vitamini D supplementation kunapeza kuti kunagwirizanitsidwa ndi chiopsezo chochepa cha kufa kwa khansa.
Umboni wa mphamvu ya Vitamini kuti athe kuchepetsa ngozi ya khansa
Lingaliro lakuti vitamini D ikhoza kuteteza motsutsana ndi khansa linachokera kuwona kuti khansa yakufa ya khansa inali yayikulu kwambiri m'madera omwe analibe dzuwa.
Kafukufuku wochuluka apeza mgwirizano wosiyana pakati pa dzuwa ndi mitundu 24 yosiyanasiyana ya khansara, kuphatikizapo mawere, abulu, mawere, ndi prostate. Chifukwa chakuti vitamini D yoyamba ya anthu ndiyotulutsa kuwala kwa dzuwa, ndipo khungu lakuda sichigwira ntchito popanga vitamini chifukwa cha mazira a UV, kusowa kwa vitamini D ndikulingalira kuti ndi chimodzi mwa zifukwa za kusiyana kwa khansara komwe kulipo pakati pa African American ndi white American.
Umboni wosonyeza kuti vitamini D'involvement in decreasing cancer risk has grown. Zowonjezera thandizo la vitamini D kufunika kochepetsera khansa linaperekedwa ndi mayesero owonetsetsa a vitamini D supplementation omwe amasonyeza kuchepa kwa khansa poyerekeza ndi placebo. Panalinso mauthenga ambiri kuti mavitamini D, omwe amachititsa kuti mavitamini D asinthe, amachititsa kuti chiopsezo cha khansa chiwonjezeke.
Kafukufuku wowonjezera watsimikizira kuti vitamini D ingalepheretse kukula kwa khansa m'njira zosiyanasiyana: Vitamini D imasintha mafotokozedwe a majini omwe amachititsa kuti kutupa, kufa kwa maselo ndi kufalikira kwa maselo, komanso kusokoneza zochita za IGF-1 ndi zina zinthu zokula. Zimathandizanso kukonzanso DNA ndi chitetezo cha mthupi, ndi angiogenesis inhibition.
Vitamini D ndi ukalamba wathanzi
Kuwonjezera pa kupewa khansa, kuonetsetsa kuti miyezo ya vitamini D yokwanira ingathandize kuchepetsa chiopsezo cha kufooka ndi kugwa. Mapola amatha kukhala oopsa kwa okalamba, chifukwa chachikulu cha zophulika, kuvulaza mutu, ndi kufa kwadzidzidzi kwa anthu achikulire. Pambuyo kugwa, zimakhala zachilendo kuti munthu wachikulire athe kuchepa mwamsanga pantchito yake komanso kutaya ufulu.
Pafupifupi anthu 25 pa 100 alionse achikulire a ku America amene amagwa amamwalira m'miyezi isanu ndi umodzi, ndipo opitirira 50 peresenti amachotsedwa kunyumba yosungirako okalamba.
Kutaya kwa minofu ndi vitamini D zofooka ndi zifukwa ziwiri zoopsa za kugwa, ndipo izi zimagwirizana. Mmodzi mwa vitamini D's omwe amadziwika bwino kwambiri amathandiza kuti minofu ikhale yogwira ntchito, mwa kusintha kayendedwe ka geni ndi kashiamu m'maselo a minofu. Mavitamini D amadziwika ndi kuchepetsa mphamvu ya minofu kwa okalamba, ndipo vitamini D supplementation yapezeka kuti imapangitsa mphamvu ya minofu kukhala yolimba.
Kudziwa Mtengo Womwe Mtamini D
Mavitamini D otsika kwambiri omwe apezeka pamtunda ndi ofala kwambiri ku United States ndi Canada.
Zakudya zochepa kwambiri mwachibadwa zimakhala ndi vitamini D ndipo zimakhala zovuta, kupyolera kumene mumakhala, nthawi yomwe mumakhala kunja, ndi khungu lanu. Kuwotcha dzuwa nthawi zonse kumayambitsa ngozi ya khungu komanso chiopsezo cha khansa yapakhungu.
Mlingo wa tsiku ndi tsiku wa vitamini D3 supplement (womwe ndi mawonekedwe a mavitamini ndipo ndiwopatsa thanzi kuposa vitamini D2), ndi njira yabwino kwambiri kwa anthu ambiri. Malingana ndi umboni wa sayansi, cholinga cha magazi a 30 mpaka 45 ng / ml. Kwa anthu ambiri, izi zikutanthauza kuonjezera ndi pafupifupi 1000 mpaka 2000 UU wa vitamini D tsiku ndi tsiku.
> Zotsatira:
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> Moukayed M, Grant WB: Maselo pakati pa vitamini D ndi kupewa kupewa khansa. Nutritious 2013; 5: 3993-4021.
> Sempos CT, Durazo-Arvizu RA, Dawson-Hughes B, ndi al. Kodi pali mgwirizano wofanana ndi wa J pakati pa 25-hydroxyvitamin D ndi zifukwa zonse zakufa? Zotsatira kuchokera ku US NHANES akuimira dziko lonse la US. J Clin Endocrinol Metab 2013, 98: 3001-3009.
> Bischoff-Ferrari HA. Vitamini D ndi kuteteza fracture. Rheum Dis Clin North Am 2012, 38: 107-113.
> Halfon M, Phan O, Teta D. Vitamini D: ndemanga zomwe zimakhudza mphamvu za minofu, chiopsezo chogwa, ndi zofooka. Zomwe Zingakhalepo 2015, 2015: 953241.