Deadly addiction shows in smile Heavy users of betel quids reveal their addiction when they smile. Their teeth are stained a reddish-black, dyed from years of chewing potent parcels of areca nuts and tobacco, wrapped in a lime-coated betel leaf.
Nov. 6, 2013 - CNN
Nothing to smile about: Asia's deadly addiction to betel quids Heavy users of betel quids reveal their addiction when they smile. Their teeth are stained a reddish-black, dyed from years of chewing potent parcels of areca nuts and tobacco, wrapped in a lime-coated betel leaf.
Nov. 6, 2013 - CNN