E-cigarette flavors and device type drive the biological effects of vaping
Vaping alters gene expression, with 66.6% of changes linked to flavor and device type rather than usage frequency.Summary
A recent study published in Frontiers in Oncology reveals that regular vaping alters the activity of 3,124 genes, with 66.6% of these changes attributed to the specific flavors and device types used rather than the frequency or intensity of vaping. Researchers compared gene expression in 83 individuals, including vapers, smokers, and non-users, finding that advanced refillable devices and complex flavor profiles like fruit or multiple flavors produced the most significant biological effects. The study highlights that different flavors induce unique molecular changes, with cancer-related pathways being the most affected. These findings suggest that regulators should evaluate flavored e-cigarette products more granularly, focusing on chemical composition and device design to minimize potential health risks.
(Source：News-Medical)
