Ọtụtụ mmadụ na-eche, sị: “Ọ bụrụ na m nọrọ nkeji iri abụọ n'ihe ndina na-acha ọcha, oge ole ka ọ dị ma e jiri ya tụnyere ịnọ n'anwụ?” Nke bụ́ eziokwu bụ na ihe ndina na-acha ọcha na-ewepụtakarị radieshon ultraviolet (UV) siri ike ma sie ike karịa anyanwụ nkịtị, nke na-eme ka obere oge nọrọ n'ihe ndina siri ike karịa ka o yiri.
1. Ike UV: Anwụ na-anwụ megide ihe ndina tanning
Ìhè Anyanwụ nke Eke: N'etiti ehihie, anyanwụ na-ewepụta nguzozi nke ụzarị UVA na UVB. Ike UV na-agbanwe ka oge ụbọchị, oge, na ebe ọ dị.
Akwa Nchacha: Ọtụtụ akwa na-ewepụta 95% UVA na 5% UVB, ọtụtụ mgbe na-enwe oke ike karịa anyanwụ eke.