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The ban on smoking in flights did not happen globally at the same time

"At the end of the day, the ambition we have is to replace cigarettes as soon as possible, with better alternatives for the people who continue smoking." Philip Morris sells other smoke-free products, including e-cigarettes

Those who prefer the immediate nicotine hit without the hassle of charging or maintenance

Georges streets at pavement level, on an electric scooter

Ethics declarations Conflict of interest The authors declare that they have no conflict of interest

One of the major findings of this new research is that dogs living with smokers have shorter telomeres, suggesting that at the physiological level these dogs are acting as if they had undergone premature aging