8+/-), w/ a little non-offensive minor background staining
This study used the 2013 Ontario Student Drug Use and Health Survey data (n = 6,159 high school students) to determine whether asthmatic students in Ontario smoke cigarettes, waterpipes, marijuana, or e-cig more or less than those without asthma
Technological Roadmap 4.1.9
The Clean Air Delivery Rate (CADR) is one of the most important factors to the Association of Home Appliance Manufacturers (AHAM) certification program
Put simply, much of what a smoker thinks he is tasting in a cigar is actually aroma arriving from inside the act of smoking itself
"And because even the best smoking cessation medication gives less than 30% effectiveness plus side effects, it means a large proportion of smokers still do not benefit from the drug