Medicine and Toxic
A good ground provides good tobacco. And in Western mind worlds al kind of other stuff can be added. So it all depents on what you smoke and how much dosis you need.... If you live in a city you have a high dosis of exhaust to inhale.... Weak people will get incidents easier than stronger people.... What do you inhale? We need nature animals and plants to live on when their is no good food for us we smoke a plant.......exhale... I smoke some times, likely the good stuff... Quality can matter .