According to research on tobacco composition, cured tobacco lines can contain between 0.2 and 4.75% nicotine by weight, depending on plant genetics, growing conditions, degree of ripening, fertilizer treatment, and position of the leaf on the stalk
Archived from the original on 22 February 2014
Nitrosamines: Potent carcinogens formed during tobacco curing and combustion
(2003) Slogans of Eve Lights (US) Tastes as good as it looks
Another study, published in 2010 in the journal Cancer Epidemiology, Biomarkers & Prevention, found that people may feel free to smoke tobacco-free herbal cigarettes more frequently than regular ones, which can pose even more health dangers
Vape liquid includes various substances mixed with nicotine, Dr