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Guidelines, external recommend people try a licensed stop smoking medicine first, though vapes are a recognised smoking cessation aid

Choose spaces with good airflow, clean up after yourself, and stop at the first sign of discomfort

The study revealed another surprising finding

Puff topography assessments were also made in the study but are not reported in this manuscript, and no blood samples were taken in this period for nicotine pharmacokinetic analyses

In particular, the degree to which an air cleaner reduces an individuals exposure to a pathogen is strongly dependent on their position relative to the source of clean air and the source of the pathogen