(Yuan et al, Journal of Physiology , 2015) England et al (2015) acknowledge that ethical issues involving human experimentation make it unlikely that there will ever be definitive human studies that fully quantify the effects of nicotine on the developing brain. They emphasize, though, that use of e-cigarettes warrants extreme caution, including exposing the fetus to its effects during pregnancy
Key takeaways Nicotine withdrawal symptoms can start within a few hours of the last dose, peaking in the first three days and most subside within four weeks, though cravings can persist for months
Ethics declarations Ethical approval This study has an ethics code number (IR.SHMU.REC
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Although chemicals have been detected in e-cigs as well as their aerosols, current evidence is not enough to support whether there will be a long-term effect on human health
Personal Preference Still Wins At the end of the day, cigarettes are good only if they suit your taste
