Most e-liquids, either nic salts or freebase nicotine based juices, have a shelf life and should be used prior to the expiration of the best before date
Its important to remember that even with traditional cigarettes, decades of use and surveillance were needed to provide the strength of evidence we now have confirming the highly significant harm of combustible cigarettes, said Rose Marie Robertson, M.D., FAHA, deputy chief science and medical officer of the American Heart Association and co-director of the Associations National Institutes of Health/Food and Drug Administration-funded Tobacco Center of Regulatory Science, which supported the study
Due to both problems (or in other words the large uncertainty in input data of exposure), we cannot calculate with point estimates
Retrieved February 11, 2023
ReynoldsS.MackenzieA.SpinaD.PageC.2004The pharmacology of cough
While e-cigarettes dont produce smoke, the vapor contains nicotine