Ua pa tawm
Thaum tib neeg ua pa, lawv yuav tsum tau nqus pa, thiab cov pa oxygen tau coj mus rau hauv lub alveoli, thiab tom qab ntawd lawv tshem tawm qee cov pa phem thiab cov pa phem uas muaj cov pa roj carbon dioxide thiab lwm yam.Cov kev tshawb fawb tau pom tias tib neeg lub ntsws tuaj yeem tshem tawm ntau dua 20 hom tshuaj lom, ntawm ntau dua 10 hom muaj cov co toxins uas tsis haum.Yog li ntawd, cov neeg nyob hauv cov neeg coob coob, chav tsis muaj cua, feem ntau xav kiv taub hau, ua tsis taus pa, mob hauv siab nruj, tawm hws, xeev siab, thiab lwm yam, cov tsos mob.Tsis tas li ntawd, cov neeg mob uas muaj kab mob ua pa tuaj yeem kis cov kab mob mus rau lwm tus los ntawm kev ua pa tawm, txham, hnoos, hnoos qeev thiab qhov ntswg qhov ntswg.
Cov pa luam yeeb thib ob
Thaum haus luam yeeb raug hlawv, nws tsim nicotine, tar, cyanohydrogen acid, thiab lwm yam. Nicotine excites paj hlwb, constricts cov hlab ntsha, nce ntshav siab thiab txo cov ntshav mus rau cov ntaub so ntswg, thiab tsub kom oxygen noj los ntawm lub plawv dhia.Tar muaj ntau yam organic tebchaw, uas muaj cov kab ntawm benzo(a) pyrene, benzanthrene thiab lwm yam tshuaj, benzo(a) pyrene muaj zog carcinogenic nyhuv.Cov ntaub ntawv luam tawm los ntawm Lub Koom Haum Saib Xyuas Kev Noj Qab Haus Huv Hauv Ntiaj Teb qhia tias 90/100 ntawm kev mob ntsws cancer tuag rau cov txiv neej hnub nyoog qis dua 65 xyoo, 75/100 ntawm cov neeg tuag los ntawm mob ntsws ntsws thiab mob ntsws vim yog kev haus luam yeeb.
Kho kom zoo nkauj sab hauv
Nrog rau kev hloov pauv ntawm kev ua neej nyob, tib neeg muaj kev xav tau ntau dua rau qhov zoo ntawm lawv lub tsev ib puag ncig thiab kev kho kom zoo nkauj hauv tsev tau dhau los ua zam.Txawm li cas los xij, tib neeg feem ntau tsis saib xyuas kev noj qab haus huv thiab kev nyab xeeb ntawm qhov chaw nyob zoo nkauj.
Cov roj hauv tsev
Hauv ntau lub nroog, cov pa roj yeeb nkab tau nrov nrov, thiab cov seem siv LPG.Txawm hais tias LPG txo cov leej faj thiab cov pa taws ntawm cov hluav taws kub hnyiab, tab sis nws cov ntsiab lus tseem ceeb yog propane thiab lwm yam hydrocarbons, kev siv tsis raug yuav tshwm sim muaj kev phom sij lom.Cov roj no raug hlawv kom siv cov pa hauv tsev thiab tawm cov pa phem thiab cov khoom xws li carbon monoxide, carbon dioxide, sulfur dioxide, nitrogen oxides, aldehydes, benzopyrene thiab cov hmoov av microscopic microscopic, uas ua rau mob rau lub paj hlwb, conjunctiva thiab ua pa mucosa, thiab tej zaum yuav muaj carcinogenic.
Ua cov roj ua pa
Thaum cov roj kub nyob ib ncig ntawm 110 ℃, cov roj saum npoo yog nyob ntsiag to thiab tsis muaj pa taws tawm;Thaum nws ncav cuag 130 ℃, cov ntxhiab tsw ntawm cov roj nyoos raug tshem tawm, tab sis oxidation ntawm oleic acid tshwm sim, tsim cov tshuaj tsis hloov pauv, muaj roj oxidation, fatty acids thiab fat-soluble vitamins uas muaj nyob hauv cov roj raug rhuav tshem mus rau ntau qib, thiab proteins ua polymer;Thaum qhov kub ntawm lub lauj kaub frying nce mus txog 150 ℃ Thaum qhov kub ntawm lub lauj kaub frying nce mus txog 150 ℃, muaj pa taws;saum 200 ℃, muaj cov pa luam yeeb ntau dua, vim tias glycerol hauv cov roj pyrolysis poob dej, muaj pungent saj ntawm cov tshuaj acrolein khiav, yuav ua rau tib neeg muaj caj pas qhuav, astringent ob lub qhov muag, khaus qhov ntswg thiab nce secretions, qee cov neeg txawm tias. Raws li kev qaug cawv, qee cov neeg uas muaj mob hawb pob lossis emphysema tuaj yeem ua rau ua tsis taus pa thiab hnoos.Qhov kub ntawm cov roj ntau dua, qhov nyuaj ntawm cov khoom ntawm decomposition, thaum cov roj hauv lub lauj kaub raug kub hnyiab, qhov kub siab tshaj 300 ℃, ntxiv rau kev tsim cov acrolein, tab sis kuj tsim tau ib hom diene condensate, tuaj yeem ua tau. ua rau cov kab mob ua pa ntev, thiab ua rau cell mutations carcinogenic.Hauv peb lub neej txhua hnub, cov kua dej tsaus nti xim av nyob rau hauv cov roj sau khob ntawm lub hood muaj xws li cov khoom tsim kev puas tsuaj rau tib neeg lub cev.
Post lub sij hawm: Aug-31-2022