Abantu abaninzi bayazibuza: “Ukuba ndichitha imizuzu engama-20 ebhedini yokuthambisa ilanga, lingakanani ixesha elo xa lithelekiswa nokuba selangeni?” Inyaniso kukuba, iibhedi zokuthambisa ilanga zihlala zikhupha imisebe ye-ultraviolet (UV) enamandla ngakumbi kunelanga lendalo, nto leyo eyenza ixesha elifutshane libe qatha ngakumbi kunokuba libonakala.
1. Ubungakanani be-UV: Ibhedi yeLanga vs. yeTanning
Ukukhanya kwelanga kwendalo: Emini, ilanga likhupha ulungelelwaniso lwemitha ye-UVA kunye ne-UVB. Ubungakanani bemitha ye-UV buyatshintsha ngokwexesha losuku, ixesha lonyaka, kunye nendawo.
Iibhedi zokuTshona: Uninzi lweebhedi zikhupha i-95% ye-UVA kunye ne-5% ye-UVB, zihlala zinamandla aphezulu kakhulu kunelanga lendalo.