Kodi zimayambitsa imvi ndi chiyani ndipo chithandizo chake ndi chiyani?

Kodi zimayambitsa imvi ndi chiyani ndipo chithandizo chake ndi chiyani?

Kodi tsitsi loyera lidzakhala chinthu chakale? Izi ndi zomwe zinaphimbidwa ndi kafukufuku wa sayansi yemwe adavumbulutsa chifukwa chenicheni cha imvi ndi njira zatsopano zothetsera izo.

Tikuwona kuvomereza kochuluka kwa tsitsi loyera kuposa kale lonse. Koma ngakhale zili choncho, kukalamba ndi chimodzi mwa zinthu zovuta kwambiri pamoyo. Ponena za funso lomwe nthawi zonse limatsagana nalo: Chifukwa chiyani tsitsi limakhala imvi ndi zaka? Yankho lake n’logwirizana ndi zimene ofufuza a ku Grossman Medical College ku New York apeza, ndipo posachedwapa linaululidwa m’magazini yasayansi yotchuka yotchedwa Nature.

Kuwulula mfundo zosadziwika

Kafukufukuyu akuwonetsa zomwe zimayambitsa kukalamba kwa tsitsi poyang'anira ntchito ya maselo omwe amapanga melanin komanso ntchito yawo potembenuza tsitsi kukhala imvi kenako kukhala loyera ndi ukalamba. Chochitika cha imvi chimagwirizananso mwachindunji ndi kutayika kwa elasticity ya tsinde maselo omwe nthawi zambiri amasuntha pazitsulo za tsitsi ndipo ali ndi udindo wa mtundu wake wachilengedwe.

Kafukufukuyu akutinso kuchuluka kwa ma melanocytewa kumawonjezeka ndi zaka, koma amatsekeredwa kudera linalake la tsitsi ndikusokoneza ntchito yawo. Izi zikanawalepheretsa kubwerera kumalo awo oyambirira kumene mapuloteni amatha kuwayambitsa ndi kuwasandutsa maselo amtundu wa tsitsi.

M'nkhaniyo, katswiri wa khungu Ki San wa ku yunivesite ya New York akufotokoza m'mawu ake kuti, "Kafukufukuyu akugwirizana ndi kumvetsetsa kwathu momwe maselo a melanoma omwe amachititsa kuti tsitsi likhale loyera, komanso njira zomwe zapezeka poyesa mbewa zimachititsa kuti munthu ayambe kutulutsa melanocyte. maselo a tsinde ali ndi mphamvu yofanana yokongoletsa tsitsi.” Nkhani yolimbana ndi imvi.”

zothandiza zamtsogolo

Kafukufukuyu adapangitsa kuti timvetsetse bwino momwe tsitsi limakhalira kukalamba, ndipo limatsegulira njira zochiritsira zatsopano za vuto lazodzikongoletsera lodziwika bwino, lomwe pakadali pano limangogonjetsedwa ndi kukongoletsa tsitsi ndi utoto wamankhwala kapena zachilengedwe.

Kutengera kuti njira yomwe imapezeka mu mbewa ndi yofanana ndi ya anthu, kafukufukuyu akuwonetsa njira yochepetsera maonekedwe a imvi mwa anthu poyambitsa ntchito ya melanocyte yomwe imayang'anira mtundu wachilengedwe wa tsitsi.

Zikuyembekezekanso kuti kafukufukuyu apereka njira yoti tsitsi likhalebe ndi mtundu wake. Ntchito ikuchitikanso pa zotsatira za zinthu zina zomwe zimagwira ntchito pa makina a imvi, kuphatikizapo chibadwa cha chibadwa komanso kupsinjika kwakukulu ndi kupsinjika maganizo komwe kumaperekedwa ndi moyo wamakono.

Maulosi a horoscope a Maguy Farah a chaka cha 2023