The moisture serves several purposes: it keeps the tobacco pliable, preserves volatile flavor compounds, and prevents leaf degradation
American Economic Review
The anti-tobacco organization argues that while tobacco companies have marketed these new products as lower risk, the industry has a long history of making false claims about the health risks of its products
Neither severity ( U = 2635, z = 1.678, p = .093), likelihood 1 ( U = 2424, z = .752, p = .452) or 10 years ( U = 2606, z = 1.899, p = .058) were significantly different over the conditions.The mean and median ranks are shown in Table 3
Cancer Causes Control, 22(5):753-763
Or they at least look better off than Altria