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More recently, tobacco ads have included phrases like "take pride in your flavor," said Catherine Saucedo, deputy director of the Smoking Cessation Leadership Center at the University of California-San Francisco

But this idea of being less harmful is mostly untrue

"Okay, wise guy," you're saying

Davidoff's engineering shows in how their filters maintain this balance across different strength levels

Our findings reinforce the existing evidence that vented cigarette filters have contributed to an increase in the number of cases of lung adenocarcinoma

Puff-by-puff mainstream smoke analysis by multiplex gas chromatography-mass spectrometry