You've heard about the dangers of secondhand cigarette smoke, but what about secondhand bong smoke?
Cannabis Consumption in Dispensaries: Public Health Implications of an Emerging Practice, Environmental Health Perspectives
Cannabis, marijuana bong smoke more dangerous than cigarettes: Study
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Silvia Martins's Instagram, Twitter & Facebook on IDCrawl
Measuring PM2.5 concentrations from secondhand tobacco vs. marijuana smoke in 9 rooms of a detached 2-story house - ScienceDirect
The effects of hookah/waterpipe smoking on general health and the cardiovascular system, Environmental Health and Preventive Medicine
Health Research UC Berkeley
Characteristics of secondhand cannabis smoke from common smoking methods: Calibration factor, emission rate, and particle removal rate - ScienceDirect
Marijuana activist shows off 'Love Cannon' bong at Vancouver 4/20 rally
Toxic air pollutants from smoking cannabis with a bong are 4 times worse than cigarettes, study finds - Cannabis Business Executive - Cannabis and Marijuana industry news
Secondhand Smoke and Air Quality: Rethink Smoking Cannabis Inside