how long have people smoked tobacco Amazing' method traces 18th century smokers—and finds English women puffed away | Science Did People Smoke Anything Before

Exposure to second-hand marijuana smoke or physical contact with someone who has handled cannabis could potentially lead to a false positive

The average smoker in New York spends almost $4,000 a year on cigarettes just to maintain their habit

Hair & dental floss: Anything strand-like are particularly dangerous for your toilet

Proctor (December 1996), "The anti-tobacco campaign of the Nazis: a little known aspect of public health in Germany, 193345", British Medical Journal , 313 (7070): 14501453, doi:10.1136/bmj.313.7070.1450, PMC 2352989, PMID 8973234 "Research on Smoking and Lung Cancer: A Landmark in the History of Chronic Disease Epidemiology"