Regarding participants comments, the negative ones concerned primarily the pouch strength (too much nicotine, the hit at the back of the throat was too strong, mouth felt numb) and the unfamiliar format (not comfortable in the mouth, hinders eating and drinking, not pleasant to dispose of)
Bidi smoke reliably caused cancer in doses small enough that the regular cigarette smoke left the mice apparently healthy (Journal of Cancer Research and Clinical Oncology , 1988
It is surely this pronounced heirloom status that has ensured the longevity of this present example of a De Lamerie Cup & Cover
Miyadate et al
Cox SC, 2008, Studies in areca nut use and its possible role in oral premalignancy and oral submucous fibrosis, Sydney: The University of Sydney, January, PhD thesis