Joints, while convenient, can alter the flavor of the cannabis
According to one study in 2015, one puff from a nicotine-free shisha pen contained enough propylene glycol and glycerol, two common base liquids, to cause mouth and throat irritation.[6] When vaporized, these substances may have the potential to form carcinogenic (cancer-causing) compounds
Reaction from health groups, tobacco companies Anti-smoking groups applauded the move, though they cautioned this was just the beginning of a lengthy process
Actually, there were some people that were very you
Author contributions Conceptualization, Data curation, Formal analysis, Funding acquisition: MA, OK