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Where nicotine creates a yellow-to-amber internal stain, tar produces a dark brown to black extrinsic stain that coats the outer surface of the enamel and the margins of the gums

Margaret Chan

Smart e-cigarettes, some of which are also re-chargeable, contain high-tech features such as Bluetooth capability, high-definition screens, and speakers, with some versions including games such as Pac-Man and Tetris

If implemented, this could incentivise manufacturers to design tobacco packaging that is easy to recycle and ensure that they pay the full net cost of managing packaging and cigarette butts once they becomes waste