I'm actually not aware of any studies that separate nasal and oral snuff usage that show that nasal snuff is correlated with cancers. I mean... intuitively, it

I'm actually not aware of any studies that separate nasal and oral snuff usage that show that nasal snuff is correlated with cancers. I mean... intuitively, it seems like it should be, as the membranes there aren't substantially different - but it's odd that it's not been studied in particular.