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How Cigarette Filters Work Cigarette filters are designed to reduce tar, nicotine, and other harmful substances in tobacco smoke

I want to understand what happens during inhalation on the chemistry side, says Markus Roggen, president and chief science officer of Delic Labs, a cannabis and psilocybin research facility in Vancouver, British Columbia

Sarah Kennel interviewed by Coralie Kraft You can see A Thousand Crossings at the Peabody Essex Museum in Massachusetts until September 23, 2018

Retrieved August 28, 2015

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Evidence disputes the idea that filtering or flavoring cigarettes can reduce health risks