The British Lung Foundation welcomed the research, and Dr Keith Prowse, chairman of the foundation said: "This research confirms that cannabis poses a serious health risk to the lungs, and smoking a joint can be more harmful to the lungs than smoking a cigarette.
(...)
The warnings come after recent research suggested cannabis smokers were 40% more likely than non-users to suffer psychotic illnesses such as schizophrenia.
Liberals will probably dismiss this, unwilling to admit that their "fun thing" is bad for them, thus continuing to partake of this brain fryer. While refusing to even question the "manmade climate change" nonsense. Perhaps another side effect of smoking dope?