Toxic air pollutants from smoking cannabis with a bong are 4 times

You've heard about the dangers of secondhand cigarette smoke, but what about secondhand bong smoke?

Marijuana and Your Skin: The Good, the Bad, and the Ugly

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Cannabis accessories for inhalation: Minimizing your risk when smoking, vaping and dabbing

Bongs create more secondhand smoke than cigarettes, study says - Los Angeles Times

Health Research UC Berkeley

Weekly Stash The Cannabis Industry

Characteristics of secondhand cannabis smoke from common smoking methods: Calibration factor, emission rate, and particle removal rate - ScienceDirect

Clearing the Smoke on Cannabis: Respiratory and Cardiovascular Effects of Cannabis Smoking [report]

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How to Smoke Weed Properly: 4 Different Methods

The effects of hookah/waterpipe smoking on general health and the cardiovascular system, Environmental Health and Preventive Medicine

Secondhand bong smoke worse than that from tobacco, study finds, Cannabis

Neighborhood weed wars: Man barred by court from smoking over smell

Smoking SpringerLink