e-luam yeeb puas yuav nyob hauv lub ntsws?

Thaum koj nqus tau cov pa luam yeeb hluav taws xob, qee yam ntawm cov kua yuav nkag mus rau hauv lub ntsws. Raws li kev tshawb fawb, kwv yees li 70-80% ntawm cov pa luam yeeb yuav nyob hauv lub ntsws, thaum cov seem yuav tawm mus. Txawm hais tias feem ntau cov tshuaj yog thaum kawg absorbed thiab metabolized los ntawm lub cev, kev haus luam yeeb ntev ntev yuav ua rau cov khoom txuam hauv lub ntsws, xws li cov hlau hnyav thiab qee yam tshuaj phem.

Taw qhia rau Cov Khoom Siv Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob
Propylene glycol thiab glycerol
Propylene glycol, tseem hu ua propylene glycol, yog ib qho ntawm cov khoom tseem ceeb hauv cov kua luam yeeb. Nws feem ntau yog siv los ua cov stabilizer los yog thickener hauv cov khoom noj, tshuaj pleev ib ce, thiab tshuaj. Lub zog ntawm propylene glycol hauv cov luam yeeb hluav taws xob feem ntau yog 40-60%. Glycerol, tseem hu ua sucrose cawv, yog lwm qhov tseem ceeb ntawm cov kua luam yeeb hluav taws xob, nrog lub zog feem ntau suav rau 20-40% ntawm tag nrho cov ntim ntawm cov kua. Glycerol feem ntau yog siv los tsim cov pa luam yeeb ntau thiab muab cov neeg haus luam yeeb nrog saj. Hais txog tus nqi, ob lub ntsiab lus no kuj tsawg, nrog tus nqi nruab nrab ntawm $10- $20 ib kilogram.
nicotine
Nicotine yog ib qho teeb meem hauv cov kua luam yeeb, muab rho tawm los ntawm cov luam yeeb. Qhov sib ntxiv ntawm nicotine yog kom txaus siab rau cov neeg haus luam yeeb. Lub zog ntawm nicotine feem ntau nyob ntawm {{{0}}.1% mus rau 5%, nyob ntawm seb hom thiab cov ntsiab lus ntawm e-luam yeeb. Ib lub raj mis 30ml e-kua yuav muaj 0mg txog 50mg ntawm nicotine, nrog tus nqi kwv yees li $0.5- $3. Nicotine yog suav hais tias yog ib yam khoom muaj yees, thiab kev noj ntau dhau tuaj yeem ua rau muaj kev phom sij rau lub cev.
Spices thiab lwm yam additives
Ntau cov txuj lom kuj tseem ntxiv rau cov kua siv hluav taws xob kom muab cov kev xaiv sib txawv, xws li txiv hmab txiv ntoo tsw, khoom qab zib tsw, lossis haus luam yeeb tsw. Lub zog ntawm cov khoom xyaw txuj lom no feem ntau yog nruab nrab ntawm 5% thiab 15%. Tsis tas li ntawd, cov roj siv hluav taws xob kuj tseem muaj lwm yam tshuaj xws li caffeine, pigments, thiab lwm yam, tab sis nws lub zog tag nrho tsis tshaj 2%. Qhov tshwj xeeb tshwj xeeb thiab tsis muaj cov tshuaj ntxiv no txawv nyob ntawm hom thiab hom, thiab tus nqi feem ntau yog li ntawm $ 1 txog $ 5.
Kev sib piv ntawm cov luam yeeb hluav taws xob thiab cov luam yeeb ib txwm muaj
Cov pa luam yeeb
Muaj qhov sib txawv tseem ceeb hauv cov pa luam yeeb ntawm cov luam yeeb hluav taws xob thiab cov luam yeeb ib txwm muaj. Cov luam yeeb ib txwm tso tawm ntau dua 7000 chemicals thaum hlawv, ntau yam uas paub txog carcinogens xws li benzene thiab formaldehyde. Cov luam yeeb hauv hluav taws xob, ntawm qhov tod tes, tsis koom nrog cov txheej txheem combustion. Lawv hloov cov kua rau hauv chav los ntawm hluav taws xob cua sov, yog li txo qhov tso tawm ntawm ntau yam teeb meem. Txawm li cas los xij, nws yuav tsum raug sau tseg tias cov pa luam yeeb hauv hluav taws xob tseem muaj qee yam teeb meem, xws li formaldehyde thiab acetaldehyde, tab sis lawv cov concentrations kuj tsawg.
Txoj kev nqus pa
Cov luam yeeb ib txwm xav tau cov cuab yeej hluav taws xob, thaum cov luam yeeb hluav taws xob yuav tsum tau them thiab roj teeb lub zog. Qhov loj thiab cov duab ntawm cov luam yeeb ib txwm yog tus qauv, feem ntau yog hais txog 85-100mm nyob rau hauv ntev thiab 8-9mm inch. Qhov loj thiab qhov tshwj xeeb ntawm cov luam yeeb hluav taws xob muaj ntau haiv neeg, xws li cwj mem mus rau lub thawv, nrog qhov ntau thiab tsawg ntawm 90mm txog 200mm. Hais txog tus nqi, tus nqi nruab nrab ntawm cov luam yeeb ib txwm yog $5- $15 ib pob, thaum tus nqi pib ntawm e-luam yeeb yog $30- $100, tab sis lawv cov nqi tom qab qis dua, nrog rau txhua lub raj mis. ntawm cov kua raug nqi txog $5- $20.
Kev cuam tshuam rau lub ntsws
Cov luam yeeb hluav taws xob thiab cov luam yeeb ib txwm muaj qee yam cuam tshuam rau lub ntsws. Tar, nicotine, thiab lwm yam khoom tsis zoo hauv cov luam yeeb ib txwm muaj pov thawj tias muaj kev phom sij rau lub ntsws, ua rau mob qog noj ntshav, mob ntsws ntev, thiab lwm yam kab mob ua pa. Hais txog kev hais lus, e-luam yeeb yuav ua rau lub ntsws tsis zoo, tab sis tseem muaj feem cuam tshuam. Kev tshawb fawb tau pom tias qee yam tshuaj hauv cov pa luam yeeb hluav taws xob tuaj yeem ua rau lub ntsws mob lossis lwm yam teeb meem. Txawm li cas los xij, kev tshawb fawb txog kev cuam tshuam mus sij hawm ntev ntawm e-luam yeeb ntawm lub ntsws tseem tab tom ua, thiab nws txoj kev nyab xeeb tsis tuaj yeem txiav txim siab tam sim no.
Tus cwj pwm ntawm cov kua luam yeeb hauv lub ntsws
Kev faib tawm tom qab nqus tau
Thaum nqus cov pa luam yeeb hauv hluav taws xob, cov kua ua ntej nkag mus rau hauv lub qhov ncauj, ces nkag mus rau hauv lub ntsws thiab lub ntsws. Vim tias qhov loj me ntawm cov pa luam yeeb e-luam yeeb yog kwv yees li 0 1-1 micrometers, lawv tuaj yeem nkag mus rau hauv cov pa me me thiab alveoli ntawm lub ntsws. Raws li qee qhov kev tshawb fawb, kwv yees li 70-80% ntawm cov pa luam yeeb yuav nyob hauv lub ntsws, thaum qhov seem 20-30% yuav exhaled.
Kev nqus thiab metabolism ntawm cov kua luam yeeb hluav taws xob
Cov khoom tseem ceeb hauv cov kua luam yeeb, xws li nicotine, propylene glycol, thiab glycerol, yog nqus sai sai los ntawm lub ntsws tom qab nqus pa. Piv txwv li, nicotine tuaj yeem ncav cuag lub hlwb li ntawm 10 vib nas this tom qab nqus tau pa. Hauv lub cev, ib nrab-lub neej ntawm nicotine yog kwv yees li 1-2 teev, thiab feem ntau ntawm nws yog metabolized los ntawm daim siab thiab thaum kawg tawm los ntawm cov zis. Nyob rau tib lub sijhawm, propylene glycol thiab glycerol feem ntau yog metabolized hauv lub ntsws, daim siab, thiab ob lub raum, thiab raug tso tawm hauv daim ntawv ntawm carbon dioxide thiab dej.
Cov txiaj ntsig ntawm kev haus luam yeeb mus ntev
Kev siv cov luam yeeb ntev ntev tuaj yeem ua rau muaj kev cuam tshuam ntawm lawv cov khoom hauv lub ntsws. Piv txwv li, qee cov hlau hnyav thiab cov tshuaj tsis zoo, xws li cadmium, txhuas, thiab formaldehyde, tuaj yeem nyob hauv lub ntsws thiab ua rau muaj kev puas tsuaj mus tas li. Tsis tas li ntawd, kev haus luam yeeb ntev ntev kuj tseem tuaj yeem ua rau alveolar o, ua pa tsis zoo rau kev haus luam yeeb, thiab txo lub ntsws ua haujlwm. Raws li qee qhov kev tshawb fawb ua ntej, kev haus luam yeeb ntev ntev ntawm e-luam yeeb yuav ua rau muaj kev pheej hmoo ntawm mob ntsws, mob hawb pob, thiab lwm yam kab mob ua pa.
Muaj feem xyuam rau kev tshawb fawb thiab kev sim cov txiaj ntsig
kev tshawb fawb
Qhov cuam tshuam ntawm cov luam yeeb hluav taws xob tau dhau los ua qhov tseem ceeb ntawm kev tshawb fawb hauv ntau lub chaw soj nstuam. Hauv qee qhov kev tshawb fawb, los ntawm kev txheeb xyuas qhov muaj pes tsawg leeg ntawm cov pa luam yeeb hauv hluav taws xob, ntau yam muaj peev xwm tsim kev puas tsuaj tau pom, xws li formaldehyde, acetaldehyde, thiab qee cov hlau hnyav. Piv txwv li, ib txoj kev tshawb fawb hauv Harvard University tau pom tias 52% ntawm cov qauv luam yeeb hauv e-luam yeeb tau kuaj pom cov tshuaj lom neeg muaj teeb meem rau tib neeg lub cev. Tsis tas li ntawd, qee yam txuj lom hauv cov kua siv hluav taws xob kuj tau pom tias ua rau mob ntsws xws li paj kws lub ntsws.
kev soj ntsuam
Kev soj ntsuam soj ntsuam kev tshawb fawb feem ntau tsom rau qhov cuam tshuam ncaj qha ntawm cov luam yeeb hluav taws xob rau tib neeg kev noj qab haus huv. Qee qhov kev soj ntsuam soj ntsuam qhia tau hais tias cov neeg siv e-luam yeeb uas haus luam yeeb yuav muaj kev ua pa nyuaj, hnoos qhuav, thiab mob caj pas. Raws li tsab ntawv ceeb toom los ntawm Lub Koom Haum Saib Xyuas Kev Noj Qab Haus Huv Ntiaj Teb, kev noj tshuaj nicotine ntau dua 50mg tuaj yeem ua rau muaj kev phom sij rau cov neeg laus, thiab e-luam yeeb tuaj yeem muaj txog 59mg ntawm nicotine ib lub raj mis kua.
Kev cuam tshuam ntev
Txawm hais tias kev siv keeb kwm ntawm e-luam yeeb luv luv, muaj qee qhov kev tshawb fawb ntev ua ntej qhia txog lawv qhov kev pheej hmoo ntawm kev noj qab haus huv. Piv txwv li, cov neeg siv uas haus luam yeeb e-luam yeeb ntev ntev yuav muaj kev mob ntsws, txo lub ntsws ua haujlwm, thiab txo qis oxygenation peev xwm. Qee qhov kev tshawb fawb tau pom tias e-luam yeeb tuaj yeem ua rau muaj kev pheej hmoo ntawm cov kab mob plawv, mob ntsws cancer, thiab kab mob ua pa, txawm tias cov kev pheej hmoo no tseem qis dua li cov luam yeeb.
Cov kev pheej hmoo ntawm cov luam yeeb hluav taws xob rau lub ntsws
Electronic luam yeeb kua thiab mob ntsws
Cov kua luam yeeb hauv hluav taws xob muaj ntau yam tshuaj lom neeg, qee qhov tau raug pov thawj tias muaj teeb meem rau lub ntsws. Piv txwv li, cov tshuaj hu ua diacetyl tau pom tias muaj feem xyuam nrog cov kab mob ntsws tsawg hu ua paj kws lub ntsws. Tsis tas li ntawd, cov khoom tsis zoo xws li formaldehyde thiab acetaldehyde nyob rau hauv vapor ntawm cov luam yeeb hluav taws xob kuj muaj feem xyuam rau lub ntsws puas. Tsis tas li ntawd, e-luam yeeb vapors yuav ua rau oxidative kev nyuaj siab ntawm lub ntsws hlwb, ua rau cell puas thiab o. Raws li cov ntaub ntawv los ntawm American Lung Association, cov neeg siv e-luam yeeb muaj 20% nce hauv kev ua pa tsis zoo, uas tej zaum yuav yog vim mob ntsws thiab mob hlwb.
Electronic luam yeeb thiab kab mob ua pa
Cov luam yeeb hauv hluav taws xob tuaj yeem ua rau muaj kev pheej hmoo ntawm kev ua pa. Qee qhov kev tshawb fawb tau pom tias e-luam yeeb vapors tuaj yeem ua rau lub cev tsis muaj zog hauv lub ntsws, ua rau cov neeg siv e-luam yeeb raug mob khaub thuas, mob ntsws, thiab lwm yam kab mob ua pa. Tsis tas li ntawd, nicotine tuaj yeem ua rau lub ntsws ua haujlwm ntawm lub ntsws, uas yog lub luag haujlwm uas pab tshem tawm cov pa phem los ntawm txoj hlab pa, yog li ua rau muaj kev pheej hmoo kis mob.
Lwm yam kev pheej hmoo rau kev noj qab haus huv mus sij hawm ntev
Kev siv luam yeeb ntev ntev yuav ua rau muaj kev phom sij rau kev noj qab haus huv. Kev sib raug zoo ntawm cov luam yeeb hluav taws xob thiab kab mob plawv, ntshav siab, ntshav qab zib thiab lwm yam kab mob tseem nyob hauv kev kawm. Tsis tas li ntawd, txawm hais tias qhov concentration ntawm nicotine hauv e-luam yeeb yog qhov qis, qhov nqus tau ntev tuaj yeem ua rau nicotine dependence. Raws li tsab ntawv ceeb toom los ntawm Lub Koom Haum Saib Xyuas Kev Noj Qab Haus Huv Ntiaj Teb, kev haus luam yeeb ntev ntev ntawm e-luam yeeb tuaj yeem ua rau DNA puas, yog li ua rau muaj kev pheej hmoo ntawm mob qog noj ntshav.