smoking pot is great for your lungs

Reference- http://www.sciencenews.org/view/generic/id/337499/title/Light_pot_smoking_easy_on_lungs

Summary- People who smoke marijuana may now breathe easier, as recently studied by scientists. They do not experience any loss of lung function.
Impact- This finding can help people who have major lung disfunction or who have a hard time breathing.
Critique- This is very interesting. Who knew?