Abantu benshi bahitamo gukoresha uburyo bwo gusiga ibara ry'umuhondo kuko bashaka umusaruro wihuse kuruta kwiyuhagira izuba hanze. Ariko se, uburiri bwo gusiga ibara ry'umuhondo mu by'ukuri burusha izuba kwihuta?
Mu bihe byinshi,yego—uburiri bwo gusiga ibara ry'uruhu bushobora gusiga ibara ry'uruhu vuba kurusha izuba risanzwe, ariko umuvuduko uza hamwe n'ibisubizo by'ingenzi.
Impamvu Gushyira Ibara mu Giti Gishya
Impamvu nyamukuru ituma ibitanda byo gusiga irangi bikora vuba ni ukoUbukana bwa UV n'uburyo ihindagurika.
Imirasire ya UV yimbitse
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Ibitanda byo gusiga ibara ry'uruhu bitanga urugero rwo hejuru rwaImirasire ya UVA (hafi 95–99%)
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UVA yinjira cyane mu ruhu kandi igatera ogisijeni ya melanin vuba
Mu buryo bunyuranye, urumuri rw'izuba rurimo UVA na UVB, kandi ubukana bwarwo buhora buhinduka.
Gushyirwa mu kato bigenzurwa
Gushyira ibara ry'izuba hanze biterwa na:
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Isaha y'umunsi
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Ikirere n'ibicu bitwikiriye
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Aho akarere gaherereye
Ibitanda byo gusiga ibara ry'uruhu bitanga:
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Umusaruro wa UV uhoraho
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Uburebure bw'igihe cy'imyitozo buteganyijwe
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Ndetse no kwigaragaza ku mubiri wose
Iyi miterere igenzurwa ituma uruhu rugaragara mu gihe gito.
Igereranya ry'igihe cyo gushushanya ibara ry'uruhu risanzwe
Nubwo ibisubizo bitandukanye, igereranya risanzwe ni iri:
Iminota 10–15 mu gitanda cyo gusiga ibara ry'uruhu ≈ amasaha 1–3 mu zuba ryinshi rya saa sita
Ibi bivuze ko ibara rigaragara rishobora kugaragara nyuma y'ibi bikurikira:
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Imyitozo 1–2 yo kuryama mu ibara ry'uruhu
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Iminsi myinshi yo kwirukanwa ku zuba kenshi
Ese kwihuta bisobanura ibyiza cyangwa umutekano?
Si ngombwa.
Kubera ko ahantu ho gusiga ibara ry'uruhu hatanga imirasire ya UVA ikomeye:
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Kwangirika k'uruhu byiyongera vuba
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Kolajeni ivunika vuba
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Ingaruka zo gusaza imburagihe na kanseri y'uruhu ziriyongera
Imiryango y'ubuzima ishyira ahantu ho gusiga ibara ry'uruhu mu byiciroitera kanseri, bisa no kwibasirwa n'izuba rikabije.
Ni nde uhindura ibara ry'uruhu vuba mu buriri bwo gushushanya?
Umuvuduko wo gutwika ibara ry'uruhu uracyaterwa na:
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Ubwoko bw'uruhu
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Ubwoko bw'igitanda (igitutu gito ugereranyije n'igitutu cyinshi)
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Inshuro z'igihe
Uruhu rwiza rushobora gushya mbere yo gushya, ndetse no mu gihe gito.
Uburyo bwizewe bwo kubona ibara ridafite UV
Niba umuvuduko n'isura ari byo ntego zawe z'ingenzi:
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Ibikoresho byo kwisiga uruhu bidakoresha izubatanga ibisubizo byihuse
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Ifuro ry'isukarigutanga ibara ringana nta n'imiraba ya UV
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Ubuvuzi bw'urumuri rutukuraishyigikira uruhu rusa neza rudasize ibara ry'uruhu cyangwa ngo rwangirike n'imiraba y'izuba
Izi nzira zirinda ingaruka zo kuzuba no ku zuba ryinshi.
Umwanzuro wa nyuma
None se, uburiri bwo gusiga ibara ry'izuba bwihuta kurusha izuba?
Yego, uburiri bwo gusiga ibara ry'izuba busanzwe butanga ibara ry'izuba ryihuse kurusha izuba risanzweariko kandi binashyira uruhu ku mirasire ya UV iri hejuru kandi yiganjemo cyane mu gihe gito.
Gushyira uruhu mu kirere vuba ntibisobanura ko uruhu rufite umutekano. Kugira ngo uruhu rugire ubuzima bwiza igihe kirekire, kugabanya imirasire y'izuba ni byo byiza kurushaho.
Ibibazo Bikunze Kubazwa
Ese ushobora gusiga ibara ry'uruhu mu gihe kimwe cyo gusiga ibara ry'uruhu?
Hari abantu babona ibara rito, ariko ibara ry'uruhu rigaragara rikunze kugaragara nyuma y'amasaha menshi.
Ese uburiri bwo gusiga ibara ry'izuba bushyuha vuba kurusha izuba?
Yego. Kubera ko ubushyuhe bwa UV buri hejuru, ubushyuhe bushobora kubaho vuba.
Ese gusiga ibara ry'imbere mu nzu ni byiza kuruta gusiga ibara ry'imbere mu nzu?
Oya. Gushyira ibara ry'umuhondo mu nzu bishobora kugira ingaruka mbi kimwe cyangwa nyinshi kuruta kwibasirwa n'izuba.