How will smoking cannabis through a bong affect my health?

It's better than smoking it in a joint, especially one mixed with tobacco, but not entirely without its health effects. Smoking anything is bad for you. Cannabis smoke actually contains higher concentrations of carcinogenic polycyclic aromatic hydrocarbons (PAHs) than tobacco smoke, and cannabis smokers generally inhale more, deeper and hold it for longer depositing more than 4 times as much tar on their lungs as cigarette smokers. But then they smoke less cigarettes less often than smokers. Most doctors researching in this area consider chronic cannabis use to be a risk factor in developing respiratory cancer.  more