After exposure to extreme environmental temperatures, an increase in propellant-leak rate was observed with Proventil HFA and Ventolin HFA MDIs, but little to no change was found in particle size ...

More information: First evidence of microplastic inhalation among free-ranging small cetaceans, PLoS ONE (2024). DOI: 10.1371/journal.pone.0309377 Journal information: PLoS ONE ...