Not an expert but I'm sure inhaling any kind of smoke is not good for the lungs but you don't smoke 20 Marijuana cigarettes a day like you would tobacco. It's n

Not an expert but I'm sure inhaling any kind of smoke is not good for the lungs but you don't smoke 20 Marijuana cigarettes a day like you would tobacco. It's not consumed in the same quantities. The biggest difference between the two are that the Tobacco companies add a lot of chemicals to their product that can cause cancer. I would think that Marijuana is organic.