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Flue-Cured Tobacco Courtesy of John Lambeth from the NCFB Flue curing refers to the type of barn used to cure tobacco and is a method that involves indirectly exposing the leaves to heat, created by transporting hot air, smoke, or steam through a pipe, or flue

While tobacco prevalence in Canada is currently estimated at 13 per cent nationally, Health Canada said the health-care costs due to tobacco use represent 47 per cent of all health-care costs associated with substance use in Canada

It concluded that average smokers had a nine-to-ten-fold risk of developing lung cancer compared to non-smokers and that heavy smokers had at least a twenty-fold risk

Neuropsychopharmacology 28 , 359370 (2003)