Adding mint flavor to e-cigarette liquids produces more vapor particles and is associated with worse lung function in those who smoke, report researchers from the University of Pittsburgh in Respiratory Research today.
, regulatory bodies are struggling to keep up and test products' safety in a timely manner.
used for toxicity testing are either directly exposed to e-liquid on contact or are blasted with continuous aerosols that don't account for human breathing patterns. The system can measure the size and number of generated aerosolized particles and how those parameters vary depending on liquid composition. The aerosols' effects can then be tested on engineered"lung-on-chip" devices and quickly yield high-quality data that can be used to infer potential toxicity.
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