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Using an online questionnaire to collect a convenience sample might lead to misreporting and recall bias, and the inability to calculate the response rate

Since we did not observe any significant difference in lung function, including in breathing frequency (Additional file 1: Fig

And to some degree, the book almost seems like an apology to those he knows he hurt in the past, wife Sharon perhaps most of all, without whom hed certainly have been lost

Lung scarring: The chemical diacetyl (2,3-butanedione) is used in some vape flavorings, which can cause bronchiolitis obliterans (BOS), also called popcorn lung, which causes permanent lung scarring