Gushyira ibara ry'umuhondo mu nzu bishobora gutanga umusaruro wihuse, ariko kwiyahura n'imirasire y'izuba bifite ingaruka zikomeye ku buzima zitagomba kwirengagizwa.
1. Ingaruka za kanseri y'uruhu
UVA na UVB byombi byangiza ADN mu turemangingo tw'uruhu, byongera ibyago byo kurwara melanoma n'izindi kanseri z'uruhu.
2. Gusaza imburagihe
UVA yinjira cyane mu ruhu, igasenya kolajeni na elastine, bigatuma uruhu rucika iminkanyari n'uruhu ruremba.
3. Kwangirika kw'amaso
Iyo hatabayeho ubwiza bw'amaso, imirasire y'izuba ishobora gutera indwara ya katarakte n'ibindi bibazo byo kureba.
4. Kugabanya ubudahangarwa bw'umubiri
Kurengerwa n'imirasire y'izuba cyane bishobora gutuma ubudahangarwa bw'umubiri bw'uruhu bugabanuka.
Umwanzuro
Gusobanukirwa ingaruka mbi bigufasha gufata ibyemezo bifatika ku bijyanye no gusiga ibara ry'imbere mu nzu no gushakisha ubundi buryo butekanye nibiba ngombwa.