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*Although ECs are not risk free, they are much less harmful than conventional tobacco smoking. The emerging clinical evidence suggests that ECs are unlikely to raise significant health concerns for the respiratory tract under normal conditions of use, even in smokers with preexisting lung disease. In particular, recent studies in COPD and chronic asthma suggest that substitution of conventional tobacco cigarettes for ECs can ameliorate subjective and objective disease-related outcomes and exacerbation rates as well as improving success in abstaining from smoking long term. | *Although ECs are not risk free, they are much less harmful than conventional tobacco smoking. The emerging clinical evidence suggests that ECs are unlikely to raise significant health concerns for the respiratory tract under normal conditions of use, even in smokers with preexisting lung disease. In particular, recent studies in COPD and chronic asthma suggest that substitution of conventional tobacco cigarettes for ECs can ameliorate subjective and objective disease-related outcomes and exacerbation rates as well as improving success in abstaining from smoking long term. | ||
===2016: [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5162097/ Evidence for harm reduction in COPD smokers who switch to electronic cigarettes] | ===2016: [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5162097/ Evidence for harm reduction in COPD smokers who switch to electronic cigarettes]=== | ||
*Conclusion: “These findings suggest that ECs use may aid smokers with COPD reduce their cigarette consumption or remain abstinent, which results in marked improvements in annual exacerbation rate as well as subjective and objective COPD outcomes.” | *Conclusion: “These findings suggest that ECs use may aid smokers with COPD reduce their cigarette consumption or remain abstinent, which results in marked improvements in annual exacerbation rate as well as subjective and objective COPD outcomes.” | ||
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