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He et al cite (ref 43 in their paper) our meta-analysis of the association between e-cigarette use and smoking cessation [1} to support the statement, "[e-cigarettes] have demonstrated potential in recent years in helping smoking cessation." Quite the contrary, the abstract of this paper concludes, "As consumer products, in observational studies, e-cigarettes were not associated with increased smoking cessation in the adult population."
A subsequent meta-analysis  concluded the same thing.
Both these meta-analyses include the other paper (ref 44 in their paper) He et al cite to support their statement that e-cigarettes assist smoking cessation .
The authors need to accurately represent the literature and stop promoting the myth that e-cigarettes as consumer products increase cigarette smoking cessation. They also need to correct their paper to avoid perpetuating the literature.
1. Wang RJ, Bhadriraju S, Glantz SA. E-cigarette use and adult cigarette smoking cessation: a meta-analysis. Am J Public Health 2021;111:230–46. doi:10.2105/AJPH.2020.305999
2. Hedman L, Galanti MR, Ryk L, et al. Electronic cigarette use and smoking cessation in cohort studies and randomized trials: a systematic review and meta-analysis.
Tob Prev Cessat 2021;7:62.
3. Zhuang Y-L, Cummins SE, Sun JY, et al . Long-term E-cigarette use and smoking cessation: a longitudinal study w...
3. Zhuang Y-L, Cummins SE, Sun JY, et al . Long-term E-cigarette use and smoking cessation: a longitudinal study with US population. Tob Control 2016;25:i90–5. doi:10.1136/tobaccocontrol-2016-053096