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Smoking is the leading preventable cause of death, accounting for nearly 6 million deaths annually, and significantly heightens the risk of chronic diseases

Instead, the lower prevalence observed among exclusive e-cigarette users may reflect factors such as age, body weight, lifestyle characteristics, prior smoking history, healthcare engagement, or other residual confounding variables

The researchers report no direct funding for this study

First Day of Quitting Just hours after your last cigarette, your pulse, circulation, and blood pressure return to normal

Experts caution that this work is at its early stages and that more needs to be done to confirm the findings