“Tokers rejoice – a new study shows occasional marijuana smoking does not harm your lungs. It also shows that smoking pot is not as bad for you as smoking cigarettes.
The UC San Francisco research shows smoking marijuana once a week does not harm lungs. The results bolsters evidence that weed doesn’t damage your health like tobacco.
The study’s conclusion was printed like this: “Occasional and low cumulative marijuana use was not associated with adverse effects on pulmonary function.””
Read more: http://www.nbcbayarea.com/news/local/Casual-Pot-Smoking-Not-Harmful-Study-137045308.html