Am J Prevent Med
Sidestream smoke generally contains higher levels of several toxic and carcinogenic compoundsincluding polycyclic aromatic hydrocarbons (PAHs), nitrosamines, aromatic amines, carbon monoxide, nicotine, ammonia, and certain volatile organic compoundscompared to mainstream smoke
Tobacco 21 laws gradually passed in cities and states over time
Although schools were purposively stratified by gender composition to maximise diversity, selection relied on local gatekeepers, which may have introduced recruitment bias despite efforts to include staff and pupils of different ages, backgrounds, and smoking exposures
Tobacco that cures too fast will be green and will likely not have good aroma or flavor
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