Curtains with folds, linings or thick fabrics trap more residue in crevices, making it hard to just air them out. Once embedded, the smell keeps releasing gradually, which is why mere ventilation rarely suffices
A brighter smile Most changes in the mouth due to smoking are reversible, including bad breath and yellowed teeth, says Dr Abinash Achrekar, assistant professor of medicine in the division of cardiology at the University of New Mexico
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Bans on advertising, promotion and sponsorship must extend to internet-based media, but only one in four countries have comprehensively banned all forms of direct and indirect advertising.
9,10 Whether harm reduction will occur, however, remains unknown