Chophimba Chatsopano Choteteza Dzuwa Chomwe Chimakulolani Kuyamwa Vitamini D

Zamkati

• Onaninso za

Mukudziwa kuti zotchinga dzuwa ndizofunikira kwambiri pachitetezo cha khansa yapakhungu komanso anti-ukalamba. Koma chimodzi mwazomwe zidatsitsa chikhalidwe cha SPF ndikuti chimalepheretsanso thupi lanu kuthira vitamini D womwe mumalandira kuchokera kudzuwa. (Onetsetsani kuti simukugwa ndi nthano za SPF zomwe muyenera kusiya kukhulupirira.) Mpaka pano.

Ofufuza ochokera ku Boston University Medical Center apanga njira yatsopano yopangira mafuta oteteza ku dzuwa omwe angakutetezeni ku kuwala koopsa pamene akulola thupi lanu kupanga vitamini D. Njira yawo yafotokozedwa m'magaziniyi. PLOS One. Zowotchera dzuwa zambiri pamsika zimateteza ku cheza cha ultraviolet A ndi cheza cha ultraviolet B, chomaliza chomwe muyenera kupanga vitamini D.

Posintha mankhwala opangidwa ndi mankhwala, ochita kafukufuku adapanga Solar D (yomwe imagulitsidwa kale dzuwa la Australia) ndi cholinga chothandizira anthu kupeza vitamini D wachilengedwe tsiku lililonse. (Pafupifupi 60 peresenti yaife tili ndi vitamini D pakadali pano, yomwe imatiika pachiwopsezo cha kukhumudwa ndipo imakulitsa mwayi wathu wopeza mitundu ina ya khansa.) Njira ya Solar D-yomwe pano ndi SPF 30 imachotsa ma ultraviolet B-blockers, kulola khungu lanu kutulutsa mavitamini D. ochulukirapo mpaka 50%.

Vuto ndiloti, kutseka kuwala kwa UVB ndichinthu chabwino kwambiri. Ma radiation a UVB ndi omwe amachititsa kuti anthu azipsa ndi dzuwa, komanso amayambitsa kukalamba msanga komanso khansa yapakhungu. Dzuwa D likukutetezanibe ku kwambiri cheza cha dzuwa cha UVB koma chimaloleza kutalika kwina kwa kuwala kuti kufikire khungu lanu kuti ayambe kupanga vitamini D kaphatikizidwe.

Akatswiri ena amakayikira. "Zimangotenga mphindi zochepa kutentha kwa dzuwa kuti thupi lanu lipange vitamini D yomwe imafunikira tsiku lililonse," akutero Sejal Shah, M.D dermatologist ku New York City. "Kutulutsa ma ultraviolet kwambiri kumatha kuwononga vitamini D mthupi lanu."

Kodi kupeza mavitamini D owonjezera opangira kuwala kuli pachiwopsezo cha kuwonongeka kwa dzuwa mukakhala kuti mukuwala masiku onse? Mwina ayi, malinga ndi Shah. "Pomaliza ndizotetezeka kutenga vitamini D chowonjezera m'malo modziwonetsera ku dzuwa kwambiri," akutero. Pezani momwe mungatengere vitamini D yabwino kwambiri. Ngati mukuda nkhawa kwambiri zakusowa kwa vitamini D, lankhulani ndi doc wanu.

Onaninso za