How can tobacco affect your lungs?

Answer 1

Tabaco itself doesn't affect you lungs at all. However when it is smoked in cigarettes it can cause tar build up in you lungs, also cause respiratory problems such as emphysema, and even cancer.

Answer 2

I assume you're talking about marijuana because of the category.

Here is the basic idea: the cheaper it is, the more random crap can be found in the marijuana. In fact, a lot of mj has more tar content than cigarettes. And, since it is smoked without a filter, it can be extremely harsh on your lungs, even causing cancer.

Basic rule of thumb, if you want cleaner herb, buy good herb. Or get a vaporizer, those are an extremely clean method of smoking.

Answer 3

Smoking, working in a smoking or dusty environment.