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

The fine particulate matter in cannabis smoke from bongs is at least four times greater and more dangerous, experts said

Smoking cannabis doesn't carry same risks as tobacco, UCLA study finds

Marijuana's Secondhand Smoke Poses Risks To Heart And Lungs : Shots - Health News : NPR

Study finds more lung damage in marijuana smokers than tobacco users

Cannabis Bong Smoke Isn't Safe to Inhale, Says Study, News

Study finds cannabis vaping more harmful than nicotine vaping

Bongs create more secondhand smoke than cigarettes, study says

Dangers of recreational/medical cannabis use

Smoking weed damages lungs differently than tobacco: study

Many Americans Believe Marijuana Smoke Is Safer Than Cigarette Smoke

Which is more harmful, marijuana or tobacco? - Quora

Marijuana Consumers Who Caught COVID Had 'Better Outcomes And Mortality' Than Nonusers, Study Finds - Marijuana Moment

Many Americans Believe Marijuana Smoke Is Safer Than Cigarette Smoke

Smoking cannabis out of a bong triggers four times more toxic fumes