traditional tobacco use Differences of vs. Commercial Traditional Tobacco | Keep It

Type of studies considered were all observational studies including prospective, retrospective, case control and cross-sectional studies evaluating the association between oral malignant and oral potentially malignant disorders with smoking and chewing forms of tobacco

4.1 million EC users reside in the African region, 4.2 million in the Eastern Mediterranean region, 4.6 million in the South-East Asian continent, 11.2 million in the Western Pacific area, 15.3 million in the European region, and 18.7 million in the Americas region [27]

I should note that I do not comment on either the nicotine level nor the humectant with most of these blends

N.et al (2013)