Izinga Eliphezulu Lwe-Vitamin D Elixhunyaniswe Nengozi Yokunyuka Kokufa

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Siyazi ukuthi ukuntuleka kwevithamini D kuyinkinga enkulu. Ngemuva kwakho konke, ucwaningo olulodwa lukhombisa ukuthi ngokwesilinganiso, amaphesenti angama-42 abantu baseMelika bahlupheka ngokushoda kukavithamini D, okungaholela engcupheni yokufa okuvela ezindabeni ezinjengomdlavuza nesifo senhliziyo, kanye nezinye izingozi eziyinqaba zezempilo. Kodwa-ke, i-D-encane kakhulu ephikisanayo ingaba yingozi ngendlela efanayo, ngokusho kocwaningo olusha lweNyuvesi yaseCopengahen oluthole, okokuqala ngqa, ukuhlobana phakathi phezulu amazinga kavithamini D nokufa kwenhliziyo. (Impela ukuhlangana akulingani ne-causation, kepha imiphumela isamangalisa!)

Ososayensi bafunde izinga likavithamini D kubantu abangama-247,574 futhi bahlaziya izinga labo lokufa esikhathini esiyiminyaka eyisikhombisa ngemuva kokuthatha isampula yegazi lokuqala. "Sibheke ukuthi yini ebangele ukufa kweziguli, futhi uma izinombolo zingaphezulu kuka-100 [nanomoles ngelitha ngalinye (nmol / L)], kubonakala sengathi kunengozi enkulu yokushona ngenxa yohlangothi noma isifo senhliziyo," kusho umbhali ocwaningweni uPeter Schwarz, MD uthe esitatimendeni sabezindaba.

Njengakwezinto eziningi empilweni, uma kukhulunywa ngamazinga kavithamini D, kumayelana nokuthola indawo ejabulisayo. "Amaleveli kufanele abe ndawo phakathi kuka-50 no-100 nmol / L, kanti ucwaningo lwethu lukhombisa ukuthi ama-70 yizinga elingcono kakhulu," kusho uSchwarz. (INational Institutes of Health iza ngenani eliphansi kakhulu ngenani lazo, isho ukuthi i-50 nmol/L ibhekelela izidingo zamaphesenti angama-97.5 abantu, kanti i-125 nmol/L iyizinga "eliphezulu ngokuyingozi".

Manje kusho ukuthini konke lokhu? Yebo, njengoba amazinga kavithamini D encike ezintweni eziningi ezinjengebala lesikhumba nesisindo, kunzima ukwazi ngaphandle kokuhlolwa kwegazi. Lapho usukwazi ukuthi uthola okuningi noma kuncane kakhulu, uzokwazi ukukhetha umthamo we-IU olungele wena. (Lapha, ulwazi olwengeziwe oluvela emkhandlwini kavithamini D mayelana nendlela yokuchaza imiphumela yegazi lakho). Kuze kube yilapho uthola amazinga akho, gwema ukuthatha ama-IU angaphezu kuka-1 000 ngosuku futhi uqaphele izimpawu zobuthi bukavithamini D, njengesicanucanu nobuthakathaka, uTod Cooperman, umongameli we-MD wenkampani yokuhlola ezimele iConsumerLab.com, usitshele emuva ngoDisemba. (Futhi funda ngolwazi olwengeziwe mayelana nokuthi Ungasikhetha Kanjani Isengezo Se-Vitamin D Esihle Kakhulu!)

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