[teekert]

Exactly, cyanobacteria are also natural as is tobacco. One can synthesize many natural products in purer and safer forms.

[Gravityloss]

Cigarettes are very far from just dried tobacco leaves, as they've been engineered to maximize addiction with additives.

http://en.wikipedia.org/wiki/List_of_additives_in_cigarettes

http://ec.europa.eu/health/scientific_committees/opinions_la...