Cov tshuaj pleev thaiv hnub tshiab uas cia koj nqus cov vitamin D

Zoo Siab

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Koj paub tias tshuaj pleev thaiv hnub yog qhov tsim nyog rau kev tiv thaiv mob qog noj ntshav thiab tiv thaiv kev laus. Tab sis ib qho ntawm qhov tsis zoo ntawm ib txwm SPF yog qhov nws tseem thaiv koj lub cev lub peev xwm txhawm rau nqus cov vitamin D koj tau txais los ntawm lub hnub. (Nco ntsoov tias koj tsis poob rau cov lus dab neeg SPF no koj yuav tsum tsis txhob ntseeg.) Txog tam sim no.

Cov kws tshawb fawb los ntawm Boston University Medical Center tau tsim txoj hauv kev tshiab los tsim tshuaj pleev thaiv hnub uas yuav tiv thaiv koj ob sab los ntawm teeb meem teeb meem thaum tseem tso cai rau koj lub cev tsim cov vitamin D. Lawv txoj hauv kev tau hais tseg hauv phau ntawv xov xwm PLOS Ib. Feem ntau cov tshuaj tiv thaiv hnub no tam sim no ntawm kev ua lag luam tiv thaiv ultraviolet A rays thiab ultraviolet B rays, tom kawg uas koj xav tau los tsim cov vitamin D.

Los ntawm kev hloov cov tshuaj sib xyaw, cov kws tshawb fawb tau tsim Solar D (uas twb tau muag hauv tshav ntuj Australia) nrog lub hom phiaj los pab tib neeg kom tau txais cov vitamin D ntau ntxiv txhua hnub. (Kwv yees li 60 feem pua ​​ntawm peb tam sim no muaj vitamin D tsis txaus, uas ua rau peb muaj kev pheej hmoo rau kev nyuaj siab thiab txawm tias ua rau peb muaj qhov tsis txaus ntseeg txog qee yam mob qog noj ntshav.) Cov qauv rau Hnub Ci D-uas tam sim no SPF 30-kab tawm qee qhov ntawm ultraviolet B-blockers, tso cai rau koj cov tawv nqaij tsim tawm ntau txog 50 feem pua ​​​​ntawm cov vitamin D.

Qhov teeb meem yog, thaiv cov duab UVB yog qhov zoo heev. UVB rays yog vim li cas koj thiaj li raug tshav ntuj, thiab lawv kuj ua rau lub hnub nyoog ntxov thiab mob qog noj ntshav ntawm daim tawv nqaij. Hnub ci D tseem tiv thaiv koj ntawm feem ntau ntawm lub hnub lub hnub ci UVB tab sis tso cai rau ib qho tshwj xeeb nthwv dej ntawm lub teeb kom ncav cuag koj cov tawv nqaij kom pib txheej txheem ntawm cov vitamin D sib xyaw.

Qee tus kws tshaj lij tsis ntseeg. "Nws tsuas yog siv ob peb feeb ntawm tshav ntuj rau koj lub cev los tsim cov vitamin D nws xav tau txhua hnub," hais Sejal Shah, MD kws kho mob tawv nqaij hauv New York City. "Kev raug ultraviolet ntau dhau tuaj yeem rhuav tshem cov vitamin D hauv koj lub cev."

Puas tau txais ob peb ntau cov vitamin D tsim hluav taws xob tsim nyog yuav muaj kev pheej hmoo ntawm tshav ntuj ntau dua thaum koj tawm mus ntes hluav taws xob txhua hnub? Tej zaum tsis yog, raws li Shah. Nws hais tias "Thaum kawg nws muaj kev nyab xeeb dua los noj cov tshuaj vitamin D ntau dua li nthuav tawm koj tus kheej rau tshav ntuj ntau," nws hais. Nrhiav seb yuav xaiv qhov zoo tshaj plaws vitamin D ntxiv. Yog tias koj txhawj xeeb tiag txog kev tsis txaus vitamin D, tham nrog koj tus kws kho mob.

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