tobacco melanosis Smokers . Oral pigmentation seen in heavy smokers . Investigations have shown ability of melanin to bind to noxious substances. . Exposure to polycyclic amines ( Nicotine & benzpyrene) has shown Is focal melanotic lesion potentially
Description
[cited 2021 Apr 19]

At the same time, BAT is navigating tighter regulations, delayed approvals for next-generation products and changing consumer behaviour across several markets

Whisky and tobacco are vaguely there

The risk for stains increases with frequent or prolonged use
