Munyori: Florence Bailey
Zuva Rekusika: 25 Kurume 2021
Gadziridza Zuva: 25 Chikumi 2024
Anonim
Ultraviolet Radiation Inokonzera Kukuvadzwa Kweganda-Kunyangwe Uri Mumba - Mararamiro
Ultraviolet Radiation Inokonzera Kukuvadzwa Kweganda-Kunyangwe Uri Mumba - Mararamiro

Zvemukati

Kunobuda, zuva rinogona kunge rakatosimba kupfuura zvataifunga: mwaranzi ye-ultra-violet (UV) inoramba ichikuvadza ganda redu uye ichiwedzera njodzi yekenza kwenguva yakareba semaawa mana mushure mekunge tapinda mumba, tsvagiridzo nyowani kubva kuYale University inoratidza.

Nepo melanin, iyo pigment iri mumasero eganda, yakagara ichitendwa kubatsira kudzivirira ganda kubva kune anokuvadza UV mwaranzi, zvitsva zvitsva zvinoratidza kuti simba iro zvinoita kunyura kunogona kuiswa mumashure akapoteredza, zvichikonzera shanduko muDNA iri padyo iyo inogona kukonzeresa kugomarara. Kunyange izvi zvichiodza moyo, kuwanikwa kwacho kunogona kukurudzira kuvandudzwa kwe "manheru mushure" mafuta anozobatsira kudzikisa mhedzisiro. Zvichakadaro, dermatologists vanokurudzira kupfeka cheki chezuva chine chekuchengetedza zuva (SPF) chegumi neshanu kana kupfuura icho chinopa chengetedzo yakatambanuka kubva kune ese UV uye UVB mwaranzi. (Uye ita shuwa kuti iwe unoverenga zvakanyatsonaka. Consumer Reports Inoti Zvimwe zveSusscreen SPF Zvikumbiro Hazvisi izvo.)


Unofunga kuti unogona kusvetuka tsika yezuva kusvika zhizha? Kwete nekukurumidza. Pasinei nekutonhora, mazuva echando echando, ganda rako richiri kuda kudzivirirwa. Inosvika makumi masere muzana muzana emaranzi ezuva eUV achiri kupfuura nemakore, uye unowanzo rohwa nemwaranzi iyi kaviri, sezvo chando nechando zvinozviratidzira kumashure paganda rako-kukwidza njodzi yako yegomarara reganda uye makwinya zvakare. Nguva yechando inotonhorera zvakare inosiya ganda rakaoma uye rakatsamwa, zvichitiita kuti titapurike kune yakajeka UV UV.

Kudzivirirwa kwegore rose, tsvedza pascreen yezuva kwemaminitsi gumi nemashanu usati waenda panze. Edza mapikicha edu atinoda kubva kuZvakanakisa Zuva Dziviriro Zvigadzirwa zvegore ra2014 kana matipi ezvekuchengetedza zuva akataurwa muZima Runako Matipi kubva kuX-Mitambo Nyeredzi.

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