Mouse Study: E-Cigarette Aerosol May Affect Fetuses
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On June 5, according to Vapingpost, the use of e-cigarettes during pregnancy remains controversial, sparking both support and opposition. A recent study aimed to address this issue by analyzing the effects of e-cigarette aerosol exposure on adult male offspring rats.<\/div>
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The study, titled "Effects of E-Cigarette Smoke Exposure During Pregnancy and Lactation on Learning and Memory in Adult Male Offspring Rats," will be published in the journal Physiology & Behavior. Researchers exposed rats during pregnancy and lactation from days 4 to 21 to either fresh air or e-cigarette vapor for one hour daily.<\/div>
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They tracked the male offspring (human male fetuses are more susceptible to stress than female fetuses) for 19 weeks, after which their spatial learning and memory abilities were tested.<\/div>
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The results indicated that exposure to aerosol during pregnancy and lactation impaired the long-term memory of the adult offspring compared to fresh air (P < 0.05). Consequently, the researchers concluded that smoking should not be encouraged during pregnancy.<\/div>
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In response to such studies regarding e-cigarette use during pregnancy, e-cigarette advocates have consistently argued that such research needs to be considered. It has been pointed out that while no one suggests that pregnant women should smoke for leisure, ideally, they should completely quit smoking regardless of whether these products contain nicotine. However, since e-cigarettes are much safer than smoking, heavy smokers who cannot quit will still benefit from switching to safer options, just like their offspring.<\/div>
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French researchers recently conducted a systematic review analyzing international literature published between January 2003 and April 2019 discussing the topic of smoking cessation during pregnancy.<\/div>
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The reviewed title was "[CNGOF-SFT Expert Report and Guidelines on Smoking Management During Pregnancy – Short Text]," aimed at determining the latest evidence-based guidelines for smoking cessation management during pregnancy. Researchers browsed the Cochrane, PubMed, and Embase databases using relevant keywords.<\/div>
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The compiled data indicated that counseling has a positive effect on smoking cessation, and self-help interventions and health education are recommended when assisting pregnant smokers to quit. Again, the prescription of nicotine replacement therapies (NRTs) is recommended for those pregnant women who have not quit through other means, but due to the lack of scientific evidence regarding the long-term effects of e-cigarettes, their use is generally discouraged.<\/div>
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