Researchers at Ben-Gurion University of the Negev (BGU) have found for the first time that cigarette smoke toxicity impacts the protective biofilm in the lungs, particularly concerning when paired with COVID-19 respiratory issues. Though many health factors are known about smoking, little is known about the overall toxicity potential of its ingredients. Researchers developed a new smoke testing system called a bacterial panel with genetically modified bioluminescent bacteria to measure both filtered and unfiltered cigarette smoke’s complex molecular mixture.

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