Sida laga soo xigtay xogta maanta daabacay by asxaabteena ka adduunka", shirkadaha tubaakada waxay si fiican u khiyaami karaan daamurka iyo nikootiinka ku jira baakadaha sigaarka. ah guddiga qaran ee ka hortagga sigaarka waxay dacwad ka gudbiyeen horraantii bishii Febraayo afar shirkadood oo tubaakada ah oo ay ku eedeeyeen "ay si ula kac ah khatar u galiyeen qofka dadka kale".
HEERARKA BIAS TAR IYO NICOTINE?
Miyaynu ka hadalnaa "tubaakada", maadaama ay jirtay "naafto"? Cabashada danbiyeedka ayaa horraantii Febraayo laga gudbiyay xeerilaaliyaha guud ee Guddiga Qaranka ee Ka Hortagga Sigaarka (CNCT), isagoo ku eedeeyay shirkado faransiis ah oo ka kooban afar shirkadood oo tubaakada (British American Tubacco, Philip Morris, Japan Tubacco iyo Imperial Brand) « khatarta ula kac ah ee qofka kale », si kasta oo ay ahaataba waxay kicin kartaa fadeexadii dhawaa ee matoorada naaftada naaftada ah ee ku rakiban software si macmal ah hoos ugu dhigaya qiiqa wasakheynta inta lagu jiro tijaabooyinka sharciyeed.
Marka ay timaaddo tubaakada, maaha software been abuur ah iyo oksaydhyada nitrojiin, laakiin waa daloolada yaryar ee filtarrada, daamurka iyo nikotiinka. Natiijadu waa isku mid: heerarka rasmiga ah ee walxahan, oo la soo bandhigay ama lagu qiyaaso maamulaha, ayaa aad uga hooseeya xaqiiqda. Marka loo eego cabashada CNCT, taasi aduunka wuxuu awooday inuu la tashado, « nuxurka dhabta ah ee daamurka iyo nikotiinku waxay noqon doonaan, sida laga soo xigtay ilo-wareedyada, inta u dhaxaysa laba ilaa toban jeer ka sarreeya [sida la tilmaamay] Daamurka iyo shan jeer ka sarreeya nikotiinka » tirooyin ka yimid suugaanta sayniska ama kuwa sigaarka sameeya laftooda.
Si aad u fahamto, waa inaad ogaataa in filtarrada ku dhawaad dhammaan sigaarka hadda suuqa yaala ay ku daloolaan waxyaabo badan oo yaryar oo aan la fahmi karin indhaha qaawan. 
qui « hawo qaado » qiiq la nuugo.
Qalabkani waxa uu keenayaa in qiiqa dhex mara miiraha, laakiin qasintu waxa ay badi dhacdaa marka qiiqa laga soo saaro mashiin sigaar cabbin ah, oo loo isticmaalo in lagu cabbiro heerarka daamurka, nikotiinka ama xataa carbon monoxide. Kaarboonka tubaakada. alaabta guba. Taas bedelkeeda, inta lagu jiro sigaar cabista bini'aadamka, oo aan ahayn mashiinka sharciyeynta, saameynta bushimaha iyo faraha ee shaandhada ayaa xirta qaybta ugu weyn ee micro-perforations ....
