Yintoni ekhethekileyo yamaRadio kunye Nokuba Kutheni Kubalulekile?
Ama-radicals amahhala amaninzi asebenzayo kunye nama-molecule engaqinisekanga aveliswa emzimbeni ngokwemvelo njengemveliso ye-metabolism (i-oxidation), okanye ngokuchithwa kwiibhoksi kwimeko engumsi wocuba kunye nokukhanya kwe-ultraviolet. Ama-radicals amahhala anexesha lokuphila kwincinane yesibini.
Ulwakhiwo lweeRadio
Ii-radicals zamahhala ziqukethe i-elektron ephazamisekileyo.
Ngenxa yokungabikho kwenani elizinzile leefowuni ze-shell, zihlala zifuna ukubopha enye i-elektroni ukuze zizinzile-inqubo engabangela ukulimala kwi- DNA nakwezinye iinxalenye zeseli zomntu. Lo monakalo ungadlala indima ekuphuhliseni umhlaza kunye nezinye izifo nokukhawuleza inkqubo yokuguga.
Yintoni Ebangelwa Iimpawu Zamahala Ezamahala?
Ama-radicals amahhala angenziwa ngeendlela ezimbalwa ezahlukeneyo. Zingenziwa kwiinkqubo eziqhelekileyo zokuxilisa umzimba, okanye ngokuchithwa kwee- carcinogens (izinto ezibangelwa ngumhlaza) kwimeko .
Umzimba wethu uvame ukuvelisa i-radicals yamahhala kwinkqubo yokuphula izondlo ukudala amandla avumela imizimba yethu ukuba isebenze. Ukuveliswa kwee-radicals zamahhala kwiinkqubo eziqhelekileyo zokuxilonga ezifana nalesi esinye sezizathu zokuba umngcipheko womhlaza unyuke xa uneminyaka yobudala, nangona abantu bebenokungabikho okubonakalayo kwizinto ezibangelwa ngumhlaza.
Ukubonakaliswa kwee-carcinogens kwimeko yethu kungabangela kwakhona ama-radical ezamahala.
Imizekelo yezinye i-carcinogens iquka:
- Umsi wecuba
- Imizila ye-Ultraviolet
- Radon
- Iimveliso zamachiza
Impembelelo yeeRadio kwiiNtlawulo
Xa ama-radical ekhululekile akhiqizwayo, nokuba ngaba ukutyhila okanye ukwenza iinkqubo eziqhelekileyo zomzimba we-metabolism, bakhululekile ukwenza umonakalo. Ukufumaneka kwama-radicals yamahhala kudala into eyaziwa ngokuba yixinzelelo lwe-oxidative emzimbeni.
Isizathu sokuba sigxininiswe ngokuba ngumxininiso wokuxhatshazwa kukuba ukuphendula okwenzekayo okubangelwa kwi-radicals yamahhala ekufumaneni i-electron yenziwa phambi kwe-oksijeni.
Ukulimala kwiiprotheni (iiprotheyini zokuqhagamshelana kunye nokunye) kunye nezinye izixhobo zomzimba zingabangela izifo ngqo. Ukulimala okwenziwe kwiijethi kwi-DNA kunokubangela iizakhi ezivelisa iiprotheni ezingasebenzi - iiprotheni zifuneka ukuba zibe ngabalindi phezu kwamaseli omzimba. Ezinye zezi zintshintsho zingabandakanya iigleji ezibizwa ngokuba yi- tumor suppressor geni .Imikhodi yejeni yeeprotheni ezisebenza ukulungisa umonakalo kwi-DNA okanye kubangela ukuba iiseli ezonakaliswe ngaphaya kwe-salvage zisuswe kwinkqubo ye-apoptosis (ukufa kweseli esicwangcisiweyo.) Isiphumo iiseli ezivunyelwe ukwahlula kwaye zibe yintlungu - ukwakheka kweseli somhlaza .
Antioxidants and Radicals Free
Kucingelwa ukuba i-antioxidants, njenge-vitamin C, i-vitamin E, kunye ne-beta-carotene, inokunciphisa umonakalo obangelwa ngama-radical ekhululekile emzimbeni wethu ngokuthintela ukubunjwa kwawo.
Nangona iindawo zokutya ze-antioxidants zihambelana nomngcipheko omncinci wokuba nomdlavuza wamaphaphu , kubalulekile ukuqaphela ukuba ukuthatha izongezo kwezinye zezi (ezifana ne-beta-carotene kunye ne- vitamin E ) kunokwandisa ingozi.
Kulabo baphila ngonyango lomhlaza, kubaluleke kakhulu ukuxoxa malunga nayiphi na i-antioxidant supplements - okanye nayiphi na isongezelelo, ngenxa yolu hlobo - kunye ne-oncologist yakho. Ezinye iindlela zokwelapha umdlavuza, ezifana nemisebe ye-radiation, yenza i-radicals yamahhala kumzamo wokubulala amaseli omhlaza. Kule ndlela, ukusebenzisa i- antioxidants kunokuthi, kwinqanaba, kunciphisa ukuphumelela kwonyango.
IiRadioals kunye neCarcer
I-Cancer ibangelwa yinkalo yeenguqu ezibangelwa ukukhula okungalawulekiyo kunye nokungafi okungafani kweseli. Ekubeni iziqhamo kunye nemifuno ekudleni kwethu ziphezulu kuma-antioxidants, kucingelwa ukuba oku kungesizathu esinye isizathu sokuba ukutya okunotye kwiziqhamo kunye nemifuno kuhlanganiselwe ukujongana nomngcipheko ophantsi womhlaza.
Njengoko kuphawuliwe kwangaphambili, ke, ukufumana ezi antioxidants kwifomu yokuncedisa ayifumananga ukuba isebenzayo, kwaye abaninzi be-oncologists batusa imithombo yokutya kwezi zondlo. Ukongezelela, ezinye izithako ze-vitamin kunye nezamaminerali zingaphazamisa unyango lomhlaza .
AmaRadioals kunye noguga
Kukho iingcamango ezininzi ezichaza ukuba kutheni imizimba yethu yobudala kunye ne-radicals ekhululekile ifakwe kwenye yezo ngcamango. Esikhundleni sokukhulula i-radicals yodwa, noko ke, mhlawumbi ukuba iminyaka yobudala ihambelana nenani leenkqubo ezahlukeneyo emzimbeni.
Ungenzani?
Ukukwazi ukuba umhlaza ungakhula njani, abantu ngabanye bangabheka iindlela zabo ebomini kwabo bobabili banciphisa ama-radicals amahhala aveliswa emzimbeni, kunye nokwandisa i-antioxidants ekhoyo ukujongana ne-radicals yamahhala eveliswayo nakwi-metabolism evamile. Hlola ezi zi-10 eziphambili zendlela yokuphila onokuziqalisa ngayo namhlanje ukunciphisa umngcipheko wakho wokuba nomhlaza .
Imithombo:
Lobo, V., Patil, A., Phatak, A., noN. Chandra. Ama-Radicals amahhala, ama-antioxidants kunye nokutya okusebenzayo: Impembelelo kwimpilo yabantu. Ukuhlaziywa kwe-Pharmacognosy.