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| **“The researchers noted in their study that "measures of plasma nicotine levels have shown that, compared with older models of [e-cigarettes], the new generation delivers higher levels of nicotine to the bloodstream," which may make them more satisfying.” | | **“The researchers noted in their study that "measures of plasma nicotine levels have shown that, compared with older models of [e-cigarettes], the new generation delivers higher levels of nicotine to the bloodstream," which may make them more satisfying.” |
| **“Other "technical improvements in [e-cigarettes] over time," they said, may also explain why people who recently quit smoking and switched to e-cigarettes were less likely to relapse than those who quit earlier.” | | **“Other "technical improvements in [e-cigarettes] over time," they said, may also explain why people who recently quit smoking and switched to e-cigarettes were less likely to relapse than those who quit earlier.” |
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| | ===2019: [https://pubmed.ncbi.nlm.nih.gov/31477072/ Vaping patterns, nicotine dependence and reasons for vaping among American Indian dual users of cigarettes and electronic cigarettes]=== |
| | *The ten-item Penn State Dependence Index (PSDI) suggested greater dependence on smoking than vaping |
| | *The most common reasons for vaping were to reduce smoking (79%), enjoyment of flavors (78%), and ability to vape where smoking is not allowed (73%). Perceptions of less harm to others (69%) or to self were the next most common (65%). Fewer than half used ECs to reduce stress, for affordability, or because others used them. |
| | *[https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6721166/pdf/12889_2019_Article_7523.pdf PDF Version] |
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| ===2018: [https://academic.oup.com/ntr/article-abstract/20/8/977/4061315?redirectedFrom=fulltext Advice From Former-Smoking E-Cigarette Users to Current Smokers on How to Use E-Cigarettes as Part of an Attempt to Quit Smoking]=== | | ===2018: [https://academic.oup.com/ntr/article-abstract/20/8/977/4061315?redirectedFrom=fulltext Advice From Former-Smoking E-Cigarette Users to Current Smokers on How to Use E-Cigarettes as Part of an Attempt to Quit Smoking]=== |