Hasken ultraviolet (UV), ko daga hasken rana na halitta ko kuma daga tushen wucin gadi kamar injinan tanning (gadajen rana), yana da tasiri mai rikitarwa akan garkuwar jikin ɗan adam. Yayin da matsakaicin fallasa UV yana tallafawa hadadden bitamin D - wanda ke da amfani ga aikin garkuwar jiki - fallasa da yawa, musamman daga na'urorin tanning, na iya danne garkuwar jiki da kuma ƙara haɗarin lafiya.
Menene tasirin hasken UV akan tsarin garkuwar jiki?
1. Hasken UV da Daidaita Jiki
A. Tasirin Tsananta Jiki
Rage garkuwar jiki a yankin:
Hasken UVB (280–315 nm) da UVA (315–400 nm) suna ratsa fata, suna lalata DNA a cikin keratinocytes da ƙwayoyin garkuwar jiki.
Wannan yana haifar da sakin cytokines masu rage garkuwar jiki (misali, IL-10, TNF-α), wanda ke rage karfin fata na yakar cututtuka da kuma cutar kansa.
Kwayoyin Langerhans (masu tsaron garkuwar jiki masu mahimmanci a fata) suna raguwa, suna raunana bayyanar antigen.
Tsarin Rage Tsari na Garkuwar Jiki:
Shakar UV na tsawon lokaci (musamman UVA a cikin gadajen yin tanning) na iya danne aikin ƙwayoyin T, wanda ke rage tsaron jiki daga kamuwa da cututtuka da alluran rigakafi.
Bincike ya danganta yawan amfani da wurin gyaran gashi da ke dauke da launin fata da karuwar kamuwa da cututtukan da ke kama da kwayar cuta (misali, herpes simplex, HPV) da kuma kamuwa da cututtukan fata na bakteriya.
B. Bitamin D da Fa'idodin Garkuwar Jiki
Bitamin D da UVB ke samarwa yana ƙara garkuwar jiki ta hanyar haɓaka samar da peptides masu kashe ƙwayoyin cuta (misali, cathelicidin).
Duk da haka, injunan yin tanning galibi suna fitar da UVA, wanda ba ya samar da bitamin D yadda ya kamata, wanda hakan ke hana wannan fa'idar.
Ta yaya za a iya magance tasirin hasken ultraviolet akan garkuwar jiki ta hanyar kimiyya?
1. Rage mita da tsawon lokacin sarrafawa.
Zaman gyaran gashi bai kamata ya wuce mintuna 10 ba kuma bai kamata ya wuce sau biyu a mako ba domin gujewa kamuwa da cutar na dogon lokaci.
2. Ƙarfafa kulawa kafin da kuma bayan tiyata.
Yin amfani da sinadarin antioxidants (bitamin C da E) da kuma kayayyakin kula da fata na iya rage lalacewar da hasken ultraviolet ke haifarwa.
3. Kula da canje-canje a jiki.
Ka nemi taimakon likita da wuri idan ka sake samun kamuwa da cuta, ko kuma kana jin ƙaiƙayi a fata, ko kuma kana jin ƙaiƙayi a fatar jiki, sannan ka daina amfani da kayan gyaran fata.