Ultraviolet Radiation Imayambitsa Kuwonongeka Kwa Khungu-Ngakhale Mukakhala M'nyumba

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Dzuwa likhoza kukhala lamphamvu kwambiri kuposa momwe timaganizira: cheza cha ultra-violet (UV) chikupitilizabe kuwononga khungu lathu ndikuwonjezera chiopsezo cha khansa patadutsa maola anayi titasamukira m'nyumba, kafukufuku watsopano waku Yale University akuwonetsa.

Ngakhale melanin, pigment m'maselo akhungu, akhala akukhulupirira kuti amateteza khungu ku cheza choipa cha UV, zomwe apeza zatsopano zikusonyeza kuti mphamvu yomwe amachita kuyamwa kumatha kusungidwa m'minofu yozungulira, kupangitsa masinthidwe apafupi a DNA omwe angayambitse khansa. Ngakhale izi ndizokhumudwitsa, kupezeka kumeneku kungalimbikitse kukula kwa mafuta "madzulo pambuyo pake" omwe angathandize kuchepetsa zotsatirazi. Pakali pano, akatswiri a khungu amalangiza kuvala zoteteza ku dzuwa zokhala ndi sun protection factor (SPF) za 15 kapena kupitirira apo zomwe zimateteza kwambiri ku cheza cha UVA ndi UVB. (Ndipo onetsetsani kuti mwawerenga cholembera mosamala: Malipoti Ogulitsa Akunena Kuti Zofunsa Zotchinga Zoteteza Ku dzuwa Zina Sizolondola.)

Mukuganiza kuti mutha kudumpha chizoloŵezi cha sunscreen mpaka chirimwe? Osati mwachangu kwambiri. Ngakhale masiku ozizira, amdima nthawi yachisanu, khungu lanu limafunikirabe chitetezo. Pafupifupi 80 peresenti ya kuwala kwa dzuwa kumadutsabe mumitambo, ndipo mumakonda kugundidwa ndi cheza ichi kawiri, chifukwa chipale chofewa ndi ayezi zimawawonetsera kumbuyo komwe kumapangitsa khungu lanu kukhala pachiwopsezo cha khansa yapakhungu ndi makwinya. Kuzizira kumapangitsanso khungu kukhala louma komanso lopsa mtima, zomwe zimatipangitsa kukhala pachiwopsezo cha kuwala kwa UV.

Pofuna kuteteza chaka chonse, sungani zotchinga dzuwa osachepera mphindi 15 musanatuluke panja. Yesani zomwe timakonda kuchokera ku The Best Sun Protection Products za 2014 kapena malangizo oteteza dzuwa omwe atchulidwa mu Winter Beauty Malangizo kuchokera ku X-Games Stars.

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