lt;p>Researchers from UC Berkeley said bong smoking is 'not safe'.</p>
Bongs create more secondhand smoke than cigarettes, study says - Los Angeles Times
Second-hand weed smoke has the same effect on arteries as cigarettes
David Baldwin (@theshaggiedave) / X
Beware Second Hand Bong Smoke - Cal Alumni Association
Does smoking pot actually make you stupid?
Does Marijuana Affect Your Lungs?
Is Secondhand Pot Smoke Worse For The Heart Than Tobacco?
Secondhand bong smoke worse than that from tobacco, study finds
Verity - Smoking
Many Americans wrongly believe exposure to marijuana smoke is safer than tobacco, study finds
Cannabis accessories for inhalation: Minimizing your risk when smoking, vaping and dabbing
E-cigs using synthetic nicotine now under FDA oversight
Cigarettes, Page 3