Unoda kuwana munhu wechisikigo Tan uye kwete pachena kuti zuva? Masayendisiti akawana nzira yokubuda

Masayendisiti zvakagadzira mushonga unokubvumira kuwana Tan uye regai kunyange kubuda. Zvichida munonetseka nei masayendisiti vanopedza nguva yavo pane chimwe chinhu sezvo duku yakanaka kusviba, uye musatsvaka Somuenzaniso, mushonga kenza? Vatsoropodzi vanofanira kuziva kuti muUnited States kubva melanoma miniti mumwe nomumwe munhu afa. Saka 86% kubva melanoma nyaya anokonzerwa yokuwana rezuva ultraviolet nemwaranzi.

Asi, vanhu vachiri kuramba sunscreen kana mafuta uye vanosarudza refu sunbathe zvakananga chezuva. The pfungwa boggles.

Mushonga rwe-melanin

Vatsvakurudzi Massachusetts General Hospital iri US ndakasika mushonga kuti kunomutsa kugadzirwa rwe-melanin - chaiwo pakudzivirira ganda pamusoro UV mwaranzi. Nokudaro, Tan zvakasikirwa, kwete chokunyepera.

Mwaya kusukuta matehwe uye kusukuta matehwe vangatarira dzinongoitika (uye zvechokwadi ngozi Ipfungwa), asi mari idzi havagoni kumisa chezuva. Asi miedzo achiitiswa vanotsvakurudza akaratidza melanin, izvo anogadzirwa pasi pokudzora kwomudzimu chinodhaka, akabudirira inodzivirira ganda ultraviolet mwaranzi.

The chikwata anotarisira kuti budiriro iyi kuchakubatsira kuderedza Migumisiro yakaipa UV mwaranzi, chinoguma Somuenzaniso, kukurumidza kuchembera uye kenza ganda.

"Vavariro yedu chaiyo - imwe nzira itsva kudzivirira ganda kubva UV nemwaranzi uye kenza, - akati Dr. David Fisher, uyo akatungamirira kuongorora. - rima ruvara chokuita yakaderera pangozi yokuita marudzi ose kenza ganda ".

Ungazviita sei?

yedu ganda pasi ultraviolet chiedza muropa Chinotanga vazvidzivirire pakukuvadzwa nokutanga makemikari maitiro kuti zvinoguma muviri kudhindwa-melanin. Ndicho ruvara kuti anopa bvudzi, ganda uye maziso ane ruvara rima. Ndokusaka vanhu vanogara noushamwari, kuine mamiriro okunze, kazhinji vane ganda rima uye bvudzi ndiwo chete.

The mushonga, yakataurwa nemasayendisiti, anofanira kuzorwa kupinda ganda havi rwe-melanin kugadzirwa. Kusvikira ikozvino chete akaedzwa pamusoro makonzo uye ganda ivhu, kunyange migumisiro zvinoratidza kuti kushanda kunyange Red vanhu, paleness ganda iri kukonzerwa nemagene mutation kuti kunodzivisa kugadzirwa kuti melanin, kuti, vari zvikuru kubatwa sunburn ngozi.

Ndezvipi kunowedzera ngozi yokuva nekenza

Paavhareji, ngozi kuva melanoma muvanhu kaviri kana ichivhenekera kumusoro nguva zvinopfuura zvishanu. Maererano nenhamba, mumwe muna mashanu vokuAmerica dzimwe nguva muupenyu hwavo kachitanga kenza ganda. Uyezve, gore negore US vari chirwere zvakawanda itsva zviitiko kenza ganda pane kenza yemazamu, prostate, yemapapu uye kenza muura vasanganiswa.

Golden tinge kuti ganda yaunganidzwa kusukuta matehwe, uye kwete mubayiro chokuita nengozi. gore rose America chete anopfuura 419 000 zviitiko kenza ganda chokuita nokushandiswa kwakadai kusukuta matehwe. Vanhu vakashandisa mumwe solarium 10 kana kupfuura, rakawedzera pangozi yokuva melanoma parutivi 34 muzana, tichienzanisa neavo kumbobvira apinda.

Pakupedzisira, vatsvakurudzi vanoda chokubatanidza mushonga wako sunscreen kuti kunonyanyisa kudzivirirwa zuva. Asi chero haana kuva riwanikwe zvavo, zvakakodzera kushandisa mumakenduru vane SPF15 kana yakakwirira, sezvo izvi kunoderedza ngozi melanoma ne50 muzana ose zuva.