Cigarette Facts

Cigarette smoke contains over 7,000 chemicals, at least 70 of which are known to cause cancer.

President Lyndon Johnson smoked at least 3 packs of cigarettes a day.

Artist Heather Dewey-Hagborg collected DNA from chewing gum and cigarette butts found on New York streets, then used genetic analysis to create 3D-printed portrait sculptures showing possible faces of the strangers who left them behind.