Cov kev hloov pauv ntawm cov luam yeeb tuaj yeem yog ib qho laj thawj vim li cas cov neeg mob qog nqaij hlav zais zis tau nce ntxiv ntawm cov poj niam, cov kws tshawb fawb Asmeskas tau pom
Raws li cov ntaub ntawv tshiab tshaj plaws, ib nrab ntawm cov neeg mob qog nqaij hlav zais zis ntawm cov poj niam, kev haus luam yeeb tuaj yeem raug liam rau kev txhim kho tus kabmob - tshaj tawm NY Daily News. Cov ntaub ntawv dhau los tsuas yog 20-30% ntawm cov neeg mob haus luam yeeb. Neil Freedman, tus neeg ua haujlwm ntawm US National Cancer Institute tau hais tias "Tus lej no tuaj yeem nce ntxiv vim tias cov luam yeeb thiab cov cwj pwm haus luam yeeb tau hloov pauv txij li kev tshawb fawb yav dhau los,"
Nyob rau tsib caug xyoo dhau los, cov nyiaj tar thiab nicotine hauv cov luam yeeb tau txo qis, tab sis cov concentration ntawm qee yam tshuaj carcinogenic tau nce, xws li beta-naphthylamine, uas tseem paub tias muaj kev phom sij rau mob qog noj ntshav.. Tsis tas li ntawd, cov poj niam uas haus luam yeeb kuj tau nce ntxiv txij thaum ntawd los.
Kev tshawb fawb tsis tu ncua kwv yees qhov kev pheej hmoo ntawm zais zis rau cov txiv neej nquag thiab txiav luam yeeb ntawm 50-65%, thaum cov poj niam ntawm 20-30%. Raws li cov ntaub ntawv tshiab tshaj plaws, nws tau pom tias qhov kev pheej hmoo ntawm cov txiv neej tsis hloov pauv, tab sis rau cov poj niam nws tau nce mus rau 52%.