Cov khoom tseem ceeb ntawm cov luam yeeb muaj xws li cov luam yeeb qhuav thiab lwm yam khoom siv ntxiv, uas tuaj yeem tsim ntau yam teeb meem rau lub cev tom qab raug hluav taws kub, xws li nicotine, tar, acetone, benzene, thiab lwm yam. Cov tshuaj phem no rau lub cev yog pom tseeb, piv txwv li. , nicotine tuaj yeem ua rau tib neeg quav, thiab carbon monoxide tuaj yeem ua rau hypoxia thiab kev puas tsuaj rau ntau yam ntaub so ntswg thiab kabmob hauv lub cev.
Cov luam yeeb hauv hluav taws xob yog cov khoom siv hluav taws xob uas ua luam yeeb thiab tsis muaj tar. Nicotine nyob rau hauv e-luam yeeb belongs rau dawb nicotine los yog nicotine ntsev, uas yog qhov txawv ntawm nicotine nyob rau hauv ib txwm haus luam yeeb. Lub caij no, cov khoom ntawm cov luam yeeb hauv hluav taws xob yog qhov yooj yim thiab tsis muaj ntau yam teeb meem hauv cov luam yeeb, yog li qhov kev puas tsuaj ntawm cov luam yeeb hluav taws xob kuj yog me me.
Nws yuav tsum raug sau tseg tias ob qho tib si e-luam yeeb thiab luam yeeb tuaj yeem ua rau muaj kev phom sij rau tib neeg lub cev, ua rau muaj kev pheej hmoo ntawm cov kab mob ua pa thiab cov hlab plawv. Yog li ntawd, nws raug nquahu kom txiav luam yeeb kom ntau li ntau tau thiab tsis txhob haus luam yeeb hauv cov pej xeem.