Smoking causes emphysema due to incomplete combustion of insoluble nanoparticulate of carbon and the longer you smoke the worse it gets
http://www.thelatestnews.com/emphysema- ... particles/
http://www.sciencedaily.com/releases/20 ... 120907.htm
http://www.nature.com/ni/journal/vaop/n ... .3292.html
It's important to note that this isn't limited to JUST smoking tobacco or other smoking products, it applies to any smoke from burning.
Car tires, camp fires, smoke from factories, etc.
http://www.thelatestnews.com/emphysema- ... particles/
http://www.sciencedaily.com/releases/20 ... 120907.htm
http://www.nature.com/ni/journal/vaop/n ... .3292.html
It's important to note that this isn't limited to JUST smoking tobacco or other smoking products, it applies to any smoke from burning.
Car tires, camp fires, smoke from factories, etc.