Rana ta bambanta a gare mu: ba ƙari ba ne, amma babbar babbar wutar lantarki (kimanin kilomita miliyan 1.5), kamar babbar gas mai tsinkaya a nesa da kimanin kilomita 150 daga gare mu, cikin ciki wanda ba a yi amfani da halayen thermonuclear ba. A karkashin rinjayar duk wadannan halayen, duk abin da ke cikin rudun rana, kumfa, kuma yana haifar da rafi na nau'ikan banbanci, farfadowa masu kyau, radiations - dukkanin masana kimiyya da ake kira "hasken rana". Saurin wannan iska sau da yawa daban - lokacin da kwanaki 3-4, kuma lokacin da rana ce, ya kai mana, yana kawo mana haske, infrared da ultraviolet radiation, kuma yana shawo kan lafiyarmu da kuma lafiyar jiki.
Hasken rana (samuwa a gare mu wani ɓangare na radiation mai tsawo) yana taimaka mana ba kawai don ganin abubuwa ba kuma muyi tafiya cikin sararin samaniya, amma har fata ta ji ta a matsayin nauyin thermal. Idan ba ku kare fata a lokaci ba, za mu sami kunar rana a jiki. Kuma a ƙarƙashin rinjayar infrared radiation jini mu karuɗa, numfashi na raguwa yana ƙaruwa, jinin ta hanyar veins yana gudana sauri da kuma aiwatar da samuwa da kuma sha da kowane nau'i na abubuwa masu aiki da sauri suna kara. Saboda yawan maganin yaduwar cutar infrared sau da yawa ana amfani da shi wajen maganin kowane irin cututtuka.
Amma mafi yawan abin da ke aiki na ilimin hasken rana shine radiation ultraviolet. Kwararru suna rarraba wannan radiation a cikin nau'i uku: haskoki A, B da C. Abu na uku mafi haɗari ga mu shine abin da ake kira UFS (rayukan ultraviolet C), amma yanayin sararin samaniya na duniya bai yarda da su su tashi ba. Amma a ƙarƙashin rinjayar UVA da UVB (nauyin farko da na biyu na haskoki na ultraviolet), an samar da bitamin D a cikin fata, kuma yana da wuya a samo kayan da ake bukata don jiki ba tare da taimakon UVI - kadan ba za'a iya samuwa daga abinci . Bayan haka, a rana jikinmu yana buƙatar nau'in bitamin kwayoyi 20-30, kuma mafi yawan yolks na ƙwai da kaza da kifi sun ƙunshi kawai 3-8 micrograms na bitamin D, 0.5 microns a gilashin madara, da kuma sauran abinci da har ma da ƙasa. Kuma ba tare da bitamin D ba, ba kawai zai sauke matakin allura ba a cikin jini, kuma zai fara "wanke" daga cikin nama, amma adrenal, thyroid da parathyroid gland shine, zazzagewar cholesterol metabolism da kuma cikakken tsari na kariya daga tsarin mu na rigakafi.
Har ila yau, a ƙarƙashin rinjayar hasken rana a cikin jikin mu fara farawa da endorphins, saboda haka yana rinjayar mu (da kyau, ta yaya za mu yi baƙin ciki da damuwa a rana mai dadi, musamman ma lokacin da muke hutun hutun kuma muna hutu a rairayin bakin teku?). Kuma idan wannan hasken rana na hasken rana ba zai isa ba, za mu fara jin rauni, rashin lafiyar jiki da ta jiki da kuma jimrewa ya karu, tsayayya da dukan cututtukan cututtuka, raguwa yana raguwa kuma haɗarin ƙwayoyin ƙwayoyin cuta na karuwa.
Amma duk abin da ke da kyau a daidaitawa, sabili da haka a cikin duniyar zamani muna da damar da za mu iya samun hasken rana a cikin wani abu mai ban sha'awa fiye da rasa karancin, kuma hakan yana haifar da tasiri. Sabili da haka, don neman kyakkyawar kunar rana a jiki kuma ba tare da kayan aiki na kariya ba, za ka iya shiga cikin hadari, kuma samun ci gaba mai tsanani a kan fata, da cikewar endocrin, ko kuma ciwo da cututtukan zuciya.
Amma kamar yadda "hasken rana" ya ƙunshi ba kawai radiation ba, bai kamata mu manta game da abinda ya kasance daya ba - jigilar nauyin ma'aunin jiki, wanda ake kira "hadari mai haɗari". Kuma idan aikin UFI ya rage yawanci ta hanyar watsa layin sararin samaniya da yanayi na duniyar duniya, to, ba mu da irin wannan kariya daga fannonin haruffa. Bugu da ƙari, raguna da Sun fitar da su sun bambanta, don haka ba za mu iya rarraba dukan hadari ba. Sun bambanta da ƙarfinsu da kuma ci gaba da tafiyar matakai. Amma wannan shine abin da ke tattare da su, don haka yana da tasirin su akan jikin mutum. Tun daga shekarun 1920, an rubuta bayanai game da tasirin halayen iska da hasken rana a kan kiwon lafiya da kuma tarawa. Kuma an lura da cewa bayan da hasken rana hasken yanayin marasa lafiyar yana da damuwa (lokacin da hasken rana ya kai duniya kuma ya fara haifar da matakai wanda ya shafi aiki mai muhimmanci na jiki). Da farko, an gano cututtuka na zuciya da jijiyoyin jini kamar yadda aka danganta su a cikin haɗarsu da haɗari masu haɗari.
Bugu da ƙari, a lokacin haɗari mai haɗari, haɗarin da ba a haifa ba a cikin mata masu ciki yana ƙaruwa, adadin hatsarori da raunin da ya ragu yana ƙaruwa, wahalar da ke damuwa da kuma yadda yawan mutane ke ragu.
Rana ne tushen rayuwa a duniya. Amma, a lokaci guda, ba kamar yadda muke so ba. Kuma ko da yake haskensa, zafi da makamashi sune tushen rayuwa ga tsire-tsire, dabbobi, da mutane, har yanzu muna bukatar mu tuna game da "gefen baya," kuma zai damu da kariya daga tasirin hadari da hasken rana. Yanzu ku san komai game da sakamakon aikin hasken rana akan lafiyar mutum.