Preliminary studies indicate that irritation of your lungs and bronchial tubes can happen with cannabis smoke
Also, I would say this is strictly for cold weather (fall, winter, and cool spring nights) because, in testing, we found it became extremely cloying if worn outside in the summer
Journal of Consulting and Clinical Psychology
However, relative to never smokers, former smokers' risk remained significantly elevated beyond 5 years after smoking cessation.......This study found that compared with current heavy smoking, smoking cessation among former heavy smokers was associated with lower CVD risk within 5 years of cessation, reaffirming the cardiovascular benefit of smoking cessation demonstrated by others8,10-12,27 but also revealing a slow ensuing CVD risk decline over decades (Figure 2)
Ill even share the PR companys email