Tooj liab yog cov khoom siv tua kab mob zoo tshaj plaws rau cov chaw.
Tau ntau txhiab xyoo, ua ntej lawv paub txog cov kab mob lossis cov kab mob, tib neeg tau paub txog lub zog tua kab mob ntawm tooj liab.
Kev siv tooj liab ua tus neeg sawv cev tua kab mob thawj zaug tau sau tseg los ntawm Smith's Papyrus, daim ntawv kho mob qub tshaj plaws hauv keeb kwm.
Txij li xyoo 1,600 BC, cov neeg Suav tau siv cov npib tooj liab ua tshuaj kho mob plawv thiab mob plab nrog rau cov kab mob ntawm lub zais zis.
Thiab lub zog ntawm tooj liab kav ntev. Pab neeg Keevil tau kuaj xyuas cov ntaiv qub ntawm New York City's Grand Central Terminal ob peb xyoos dhau los. "Cov tooj liab tseem ua haujlwm zoo li nws tau ua hnub uas nws tau muab tso rau hauv ntau tshaj 100 xyoo dhau los," nws hais. "Cov khoom no ruaj khov thiab cov nyhuv tiv thaiv kab mob tsis ploj mus."
Nws ua haujlwm li cas tiag?
Tooj liab lub zog tshwj xeeb ua rau nws muaj zog tua hluav taws xob ntxiv. Tooj liab muaj ib lub electron dawb nyob rau hauv nws lub plhaub sab nraud ntawm cov electrons uas yooj yim koom nrog cov tshuaj oxidation-reduction (uas kuj ua rau cov hlau ua tus neeg coj hluav taws xob zoo).
Thaum ib tug kab mob me me tsaws rau ntawm tooj liab, cov ions tua cov kab mob zoo li kev tawm tsam ntawm cov foob pob hluav taws, tiv thaiv cov cell ua pa thiab tho qhov rau hauv daim nyias nyias ntawm lub cell lossis txheej txheej ntawm tus kab mob thiab tsim cov free radicals uas ua rau kev tua sai dua, tshwj xeeb tshaj yog rau ntawm cov chaw qhuav. Qhov tseem ceeb tshaj plaws, cov ions nrhiav thiab rhuav tshem DNA thiab RNA hauv cov kab mob me me lossis tus kab mob, tiv thaiv cov kev hloov pauv uas tsim cov kab mob super-insistent uas tiv taus tshuaj.
COVID-19 puas muaj sia nyob rau ntawm cov chaw tooj liab?
Ib txoj kev tshawb fawb tshiab pom tau tias SARS-CoV-2, tus kab mob uas ua rau muaj kev sib kis thoob ntiaj teb ntawm tus kab mob corona, tsis kis tau rau ntawm tooj liab hauv 4 teev, thaum nws tuaj yeem muaj sia nyob rau ntawm cov yas tau 72 teev.
Tooj liab muaj cov tshuaj tua kab mob, uas txhais tau tias nws tuaj yeem tua cov kab mob me me xws li cov kab mob bacteria thiab cov kab mob virus. Txawm li cas los xij, cov kab mob me me yuav tsum tau kov tooj liab kom nws thiaj li raug tua. Qhov no hu ua "kev tua neeg sib cuag."
Cov kev siv ntawm cov tshuaj tua kab mob tooj liab:
Ib qho ntawm cov kev siv tooj liab tseem ceeb yog nyob rau hauv tsev kho mob. Cov chaw muaj kab mob tshaj plaws hauv chav tsev kho mob - cov ntaiv pw, cov nyees khawm hu, cov caj npab rooj zaum, lub rooj tais, cov ntaub ntawv nkag, thiab tus ncej IV - thiab hloov lawv nrog cov khoom tooj liab.
Piv rau cov chav uas ua los ntawm cov khoom siv ib txwm muaj, muaj kev txo qis 83% ntawm cov kab mob ntawm cov nplaim hauv cov chav uas muaj cov khoom siv tooj liab. Tsis tas li ntawd, tus nqi kis kab mob ntawm cov neeg mob tau txo qis 58%.
Cov ntaub ntawv tooj liab kuj tseem tuaj yeem siv tau ua cov tshuaj tua kab mob hauv tsev kawm ntawv, kev lag luam zaub mov, chaw ua haujlwm hauv tsev so, khw noj mov, tsev txhab nyiaj thiab lwm yam.
Lub sijhawm tshaj tawm: Lub Xya Hli-08-2021