which of the following compounds are present in electronic cigarettes What's an E-Cigarette? Different types of e-cigarettes from

For instance, a typical E-Cig refill, prefilled pod or disposable vape might contain around 20 to 40 milligrams of nicotine, which could be comparable to the amount of nicotine absorbed from a pack of cigarettes, though individual usage patterns and nicotine absorption can vary widely

: E-cigarette Product Preferences among Adult Smokers: A Discrete Choice Experiment

In order to maintain equivalence across exposure groups, the cigarette smoke density used in the present study was substantially lower than much of the previous literature which sought to induce COPD-associated pathology within a short timeframe (Tsuji et al., 2011)

However, actin distribution and expression were not altered by CSE exposure when compared to controls