If you are bothered by second-hand cannabis smoke, definitely let the offending person know of your concern. But if you are afraid of getting high or failing a drug test, chill out.

Non-smokers exposed to second-hand smoke have a 20–30% greater risk of getting lung cancer. The toxic substances in tobacco smoke slowly harm the lung cells, raising the likelihood of mutations ...

A new study from the School of Public Health at the Faculty of Medicine at Tel Aviv University estimates that almost half the Israeli population suffers from second-hand smoke (SHS) penetrating ...