Puas yog 2% nicotine cov ntsiab lus siab hauv e-luam yeeb?

Txawm hais tias 2% nicotine cov ntsiab lus hauv e-luam yeeb raug suav hais tias siab yog nyob ntawm cov qauv sib piv. Feem ntau hais lus, cov ntsiab lus nicotine ntawm cov luam yeeb hluav taws xob yog li ntawm 0.5% mus rau 5%. Yog li, 2% nicotine cov ntsiab lus yog nyob rau theem qis mus rau nruab nrab. Cov ntsiab lus no txaus los ua kom tau raws li cov kev xav tau ntawm cov neeg haus luam yeeb, tshwj xeeb tshaj yog cov neeg uas nrhiav kev txo cov nicotine kom tsawg tab sis tsis xav txiav luam yeeb kiag li.
Taw qhia rau Nicotine
Kev txhais thiab kev ua haujlwm ntawm nicotine
Nicotine yog ib txwm tshwm sim alkaline organic compound feem ntau muab rho tawm los ntawm cov nroj tsuag luam yeeb thiab yog ib qho tseem ceeb hauv kev tsim cov khoom luam yeeb. Nicotine muaj cov paj hlwb stimulating zog thiab tuaj yeem cuam tshuam rau tib neeg lub paj hlwb, tso tawm dopamine, nqa kev txaus siab ib ntus thiab so rau cov neeg siv. Tsis tas li ntawd, nicotine kuj muaj qhov cuam tshuam xws li kev txhim kho kev mloog, ua kom ceev ceev, thiab txo kev ntxhov siab. Txawm li cas los xij, nicotine kuj muaj ntau yam kev tiv thaiv, thiab kev siv mus ntev tuaj yeem ua rau lub cev nyob ntawm nws.
Cov teebmeem kev noj qab haus huv ntawm nicotine
Txawm hais tias nicotine nws tus kheej tsis yog ib qho teeb meem loj thaum haus luam yeeb, nws qhov kev quav yeeb quav tshuaj yog qhov tseem ceeb hauv kev ua rau tus cwj pwm tsis zoo xws li haus luam yeeb. Kev noj tshuaj nicotine ntev tuaj yeem ua rau muaj ntau yam teeb meem kev noj qab haus huv. Cov kev cuam tshuam tseem ceeb suav nrog cov kab mob plawv, cuam tshuam rau kev ua pa ua pa, thiab ua rau muaj kev pheej hmoo ntawm mob qog noj ntshav. Tsis tas li ntawd, nicotine kuj tseem tuaj yeem muaj kev cuam tshuam tsis zoo rau lub hlwb kev loj hlob ntawm cov menyuam yaus thiab cov tub ntxhais hluas. Piv txwv li, kev tshawb fawb tau pom tias kev raug nicotine tuaj yeem cuam tshuam rau kev nco, kev xav, thiab kev txawj ntse, tshwj xeeb tshaj yog thaum hluas.
Thaum txheeb xyuas qhov cuam tshuam thiab cuam tshuam ntawm nicotine, nws tseem yuav tsum xav txog nws cov qauv siv (xws li kev haus luam yeeb, zom cov luam yeeb, lossis siv e-luam yeeb) thiab cov tshuaj nicotine tshwj xeeb. Piv txwv li, cov luam yeeb hluav taws xob, uas yog ib daim ntawv tshiab ntawm kev noj nicotine, tseem nyob hauv kev tshawb fawb txog lawv cov teebmeem kev noj qab haus huv. Piv nrog rau cov luam yeeb ib txwm, e-luam yeeb tsis hlawv cov luam yeeb, yog li txo qis kev tsim cov tshuaj phem. Txawm li cas los xij, kev nyab xeeb thiab kev noj qab haus huv mus sij hawm ntev ntawm e-luam yeeb tseem muaj teeb meem thiab xav tau kev tshawb fawb ntxiv kom paub meej.
Thaum tshawb fawb txog kev noj qab haus huv ntawm kev siv nicotine, cov ntaub ntawv cuam tshuam thiab kev tshawb fawb tshawb pom muaj txiaj ntsig zoo. Piv txwv li, ib txoj kev tshawb fawb yuav tau piav qhia txog cov teebmeem tshwj xeeb ntawm nicotine ntawm cov hlab plawv, nrog rau qhov loj ntawm cov ntshav siab hloov pauv, lub plawv dhia nrawm, thiab lwm yam. Thaum txheeb xyuas kev quav tshuaj nicotine thiab nws qhov cuam tshuam rau lub paj hlwb, cov ntaub ntawv tshwj xeeb xws li kev hloov pauv hauv lub hlwb neurotransmitters hauv cov neeg mob uas muaj nicotine nyob rau lub sijhawm tshwj xeeb yuav raug teev nyob rau hauv txoj kev tshawb no.
Txheem rau cov ntsiab lus nicotine hauv cov luam yeeb hluav taws xob
Cov kev cai ntawm Nicotine Cov ntsiab lus hauv Electronic Cigarettes hauv ntau lub tebchaws
Cov kev cai ntawm cov ntsiab lus nicotine hauv cov luam yeeb hauv hluav taws xob sib txawv ntawm cov teb chaws, qhia txog kev nkag siab sib txawv thiab kev tsim cai lij choj rau kev nyab xeeb thiab kev tiv thaiv ntawm cov luam yeeb hluav taws xob. Piv txwv li, European Union tau dhau los ntawm Cov Lus Qhia Tobacco Products Directive (TPD), uas tau teev tseg tias qhov concentration ntawm nicotine hauv cov kua luam yeeb yuav tsum tsis pub tshaj 20mg / mL. Tsis tas li ntawd, cov lus qhia no tseem xav kom cov khoom siv luam yeeb hauv hluav taws xob los ua pov thawj thiab tsis pub dhau 2ml ntawm nicotine kua hauv ib zaug siv. Hauv qhov sib piv, US Food and Drug Administration (FDA) tsis tau teeb tsa ib qho tshwj xeeb ntawm cov ntsiab lus nicotine ntawm e-luam yeeb, tab sis nruj me ntsis tswj kev lag luam thiab muag ntawm e-luam yeeb, tshwj xeeb tshaj yog rau cov menyuam yaus.
Kev sib raug zoo ntawm cov ntsiab lus nicotine thiab kev haus luam yeeb
Cov ntsiab lus nicotine hauv e-luam yeeb cuam tshuam ncaj qha rau tus neeg siv kev haus luam yeeb, suav nrog kev txaus siab, mob caj pas (thaum nqus tau), thiab noj nicotine. Feem ntau hais lus, qhov siab dua cov ntsiab lus nicotine, qhov muaj zog ntawm kev hnov ​​​​mob caj pas thiab kev txaus siab ntawm cov neeg siv. Txawm li cas los xij, ntau ntau nicotine tsis tsuas yog ua rau muaj kev vam khom ntau dhau, tab sis kuj tseem tuaj yeem ua rau tsis xis nyob xws li kiv taub hau thiab xeev siab. Cov neeg siv luam yeeb hauv hluav taws xob feem ntau xaiv qhov tsim nyog nicotine concentration raws li lawv cov kev haus luam yeeb thiab kev xav tau. Thawj zaug cov neeg siv lossis cov uas sim txiav luam yeeb feem ntau xaiv cov khoom uas muaj cov ntsiab lus nicotine qis.
Txhawm rau kho cov nicotine tso tawm thiab cov neeg siv kev paub ntawm e-luam yeeb, cov tuam txhab lag luam tseem yuav them sai sai rau lub zog, roj teeb lub neej, thiab atomizer tsim ntawm e-luam yeeb. Cov kev ntsuas no ncaj qha cuam tshuam rau cov nyhuv atomization thiab tso tawm tus nqi ntawm nicotine. Piv txwv li, cov khoom siv hluav taws xob hluav taws xob ntau dua tuaj yeem tsim cov pa luam yeeb ntau dua, tab sis tib lub sijhawm, nws kuj tseem tuaj yeem ua rau cov nicotine tso tawm sai dua, uas ua rau muaj qhov nce ntxiv ntawm nicotine inhaled. Yog li ntawd, xaiv cov khoom tsim nyog e-luam yeeb thiab cov nicotine concentrations yuav tsum xav txog tsis yog ntawm tus cwj pwm haus luam yeeb nkaus xwb, tab sis kuj ntawm cov kev tsis sib haum xeeb thiab kev siv ntawm cov khoom siv.
Txheeb xyuas e-luam yeeb nrog 2% cov ntsiab lus nicotine
Kev sib raug zoo ntawm 2% cov ntsiab lus nicotine thiab kev haus luam yeeb
2% nicotine cov ntsiab lus txhais tau hais tias muaj 20 milligrams ntawm nicotine ib milliliter ntawm e-luam yeeb kua. Qhov no concentration yog siab tshaj qhov nruab nrab hauv cov khoom lag luam luam yeeb. Nicotine yog ib qho tseem ceeb ntawm kev haus luam yeeb, uas ua rau kom tso tawm cov neurotransmitter dopamine los ntawm kev simulating acetylcholine receptors hauv lub hlwb, ua rau muaj kev txaus siab ib ntus thiab so. Cov luam yeeb hauv hluav taws xob nrog 2% nicotine cov ntsiab lus tuaj yeem ua tau raws li tus neeg siv xav tau nicotine sai, thiab tuaj yeem ua qhov kev xaiv hloov pauv rau cov neeg siv uas xav txo qis kev haus luam yeeb lossis sim txiav luam yeeb.
Txawm li cas los xij, qhov kev xav no kuj tseem tuaj yeem ua rau nicotine dependence, tshwj xeeb tshaj yog nyob rau hauv nquag siv. Rau thawj thawj zaug e-luam yeeb cov neeg siv lossis cov neeg siv uas muaj nicotine tsawg, 2% cov ntsiab lus nicotine yuav siab dhau thiab tuaj yeem ua rau muaj kev pheej hmoo ntawm kev haus luam yeeb. Yog li ntawd, thaum cov neeg siv xaiv e-luam yeeb nrog 2% nicotine cov ntsiab lus, lawv yuav tsum txiav txim siab raws li lawv tus kheej kev haus luam yeeb thiab nicotine kam rau ua.
Kev sib piv nrog lwm cov nicotine uas muaj e-luam yeeb
Piv nrog rau lwm cov e-luam yeeb nrog cov ntsiab lus nicotine, e-luam yeeb nrog 2% cov ntsiab lus nicotine qhia ntau qhov kev txaus siab thiab lub caj pas. Feem ntau hais lus, nicotine concentration ntawm e-luam yeeb yog li ntawm 0% (nicotine dawb) txog li 5%. Tsawg concentration e-luam yeeb (xws li 1% lossis tsawg dua) yog tsim rau cov neeg siv uas xav tau nicotine qis dua lossis cov neeg uas txo cov nicotine dependence. Qhov siab dua ntawm e-luam yeeb (xws li 3% mus rau 5%) yog qhov tsim nyog rau cov neeg haus luam yeeb ntev thiab cov neeg siv uas vam khom rau nicotine ntau.
E-luam yeeb nrog 2% nicotine cov ntsiab lus muab cov nicotine txaus siab thiab mob caj pas, thaum muaj kev pheej hmoo tsawg dua ntawm kev quav yeeb tshuaj piv rau e-luam yeeb nrog ntau dua, tab sis tseem siab dua e-luam yeeb nrog qis dua. Thaum xaiv cov e-luam yeeb, cov neeg siv yuav tsum tsis tsuas yog xav txog cov ntsiab lus nicotine xwb, tab sis kuj tseem ceeb xws li hom, zoo, roj teeb lub neej, thiab atomizer thev naus laus zis ntawm e-luam yeeb. Cov xwm txheej no cuam tshuam rau cov neeg siv kev paub thiab kev nyab xeeb ntawm cov luam yeeb hluav taws xob.
Lub zog ntawm cov luam yeeb hluav taws xob kuj yog qhov tseem ceeb. Feem ntau hais lus, cov khoom siv hluav taws xob e-luam yeeb muaj peev xwm ua kom muaj zog ntau dua, ua rau muaj kev haus luam yeeb muaj zog dua, tab sis tib lub sijhawm, nws kuj tseem tuaj yeem ua rau kev tso tawm nicotine sai dua thiab hnyav dua, uas tej zaum yuav tsis yog qhov kev xaiv zoo tshaj plaws rau cov neeg siv sim tswj. los yog txo cov nicotine kom tsawg. Yog li ntawd, xaiv cov luam yeeb uas tsim nyog yuav tsum tsis tsuas yog xav txog cov ntsiab lus nicotine xwb, tab sis kuj tseem xav txog kev ua tau zoo ntawm cov cuab yeej thiab kev siv tus kheej.
Kev nyab xeeb thiab kev pheej hmoo ntawm kev siv hluav taws xob luam yeeb
Muaj feem cuam tshuam txog kev noj qab haus huv ntawm cov luam yeeb hluav taws xob
Txawm hais tias cov luam yeeb hluav taws xob tau suav tias yog lwm txoj hauv kev nyab xeeb rau kev haus luam yeeb los ntawm qee tus, lawv tseem muaj qee yam kev pheej hmoo rau kev noj qab haus huv. Lub hauv paus ntsiab lus ua haujlwm ntawm cov luam yeeb hluav taws xob yog tsim kom nqus tau pa los ntawm cua sov cov kua uas muaj nicotine (feem ntau suav nrog propylene glycol, glycerol, thiab flavoring additives). Txawm hais tias e-luam yeeb tsis muaj cov tar thiab qee cov tshuaj phem los ntawm cov luam yeeb ib txwm muaj, nicotine nws tus kheej yog cov khoom tsis zoo uas tuaj yeem ua rau cov kab mob plawv, muaj teeb meem plawv, thiab tsis zoo rau cov tub ntxhais hluas lub hlwb kev loj hlob.
Tsis tas li ntawd, lwm yam khoom siv hauv cov luam yeeb, xws li propylene glycol thiab glycerol, tuaj yeem tsim cov aldehydes thiab lwm yam tshuaj lom thaum rhuab. Kev nqus tau ntev ntawm cov tshuaj no tuaj yeem ua rau lub ntsws puas thiab tuaj yeem ua rau muaj teeb meem ua pa. Qee cov khoom siv luam yeeb hluav taws xob muaj kev tsim khoom tsis sib xws thiab cov qauv tswj kom zoo, uas tuaj yeem ua rau muaj kev phom sij ntxiv rau kev noj qab haus huv. Piv txwv li, kev ua haujlwm tsis zoo hauv lub roj teeb lossis atomizer ntawm cov luam yeeb hluav taws xob tuaj yeem ua rau lub cuab yeej kub dhau, tawg, lossis xau cov khoom tsis zoo. Raws li tsab ntawv ceeb toom los ntawm US Food and Drug Administration (FDA), kev siv cov e-luam yeeb kuj cuam tshuam nrog ntau yam mob ntsws thiab txawm tias tuag.
Kev ua tau zoo ntawm cov luam yeeb hluav taws xob ua cov cuab yeej txiav luam yeeb
Txawm hais tias e-luam yeeb ua rau muaj kev phom sij rau kev noj qab haus huv, lawv kuj tau siv los ua cov cuab yeej txiav luam yeeb los ntawm qee cov neeg haus luam yeeb. Piv nrog rau cov khoom lag luam luam yeeb, e-luam yeeb tuaj yeem muab txoj hauv kev zoo sib xws ntawm kev noj nicotine, tab sis tsis muaj ntau yam tshuaj phem uas tsim tawm thaum haus luam yeeb. Yog li ntawd, rau qee tus neeg haus luam yeeb uas tsis tuaj yeem txiav luam yeeb los ntawm lwm txoj hauv kev, e-luam yeeb yuav yog qhov kev xaiv zoo dua.
Txawm li cas los xij, cov pov thawj tshawb fawb txog kev ua tau zoo ntawm e-luam yeeb raws li cov cuab yeej txiav luam yeeb tseem txwv. Qee cov kev tshawb fawb qhia tias e-luam yeeb yuav pab tau qee cov neeg haus luam yeeb txo lossis tso tseg kev haus luam yeeb, tab sis kuj tseem muaj cov kev tshawb fawb qhia tias e-luam yeeb tsis muaj txiaj ntsig zoo rau kev txiav luam yeeb, thiab tej zaum yuav ua rau qee tus neeg tsis haus luam yeeb, tshwj xeeb tshaj yog cov hluas, pib nthuav tawm. mus thiab nyob ntawm nicotine. Yog li ntawd, ua ntej xaiv siv e-luam yeeb ua ib qho cuab yeej txiav luam yeeb, nws raug nquahu kom sab laj nrog kws kho mob thiab xav txog kev noj qab haus huv ntawm tus kheej, nicotine dependence, thiab cov kev pheej hmoo thiab txiaj ntsig ntawm kev siv e-luam yeeb.