- Pollution levels as fine particulate matter in the air and how long they persistent was compared with marijuana joint, the bong with its bowl, the glass pipe, electronic vaping pen, and a Marlboro cigarette inn 60 controlled experiments. Cannabis joints were the most polluting – 3.5 times that of a Marlboro. The emission rate for a cannabis bong was 67% that of a joint; the glass pipe’s emission rate was 54% of the joint, and the vaping pen’s emission rate was 44% of the joint, as polluting as a cigarette, but hung around longer.
Major Uptick Reported in Cannabis Vaping for All Adolescents
Cannabis vaping is increasing as the most popular method of cannabis delivery among all adolescents in the U.S., as is the frequency of cannabis vaping, according to research at Columbia University Mailman School of Public Health. The study found that the frequency of vaping cannabis among adolescents from all demographic groups is reported at six