do e cigarettes hurt your lungs Frontiers HealthMatch - Vaping may be

References 1.Doll R, Peto R, Boreham J, Sutherland I

Nicotine is a potent stimulant that affects the brains reward system, leading to the development of dependence and addiction

The search for human pheromones: The lost decades and the necessity of returning to first principles

Further reading "Electronic nicotine delivery systems" (PDF)

Like cigars and cigarettes, smokeless tobacco products (for example, snuff and chewing tobacco) contain at least 28 chemicals that have been shown to increase the risk of oral cancer and cancer of the throat and esophagus

Deltas website makes no specific mention tobacco-free nicotine pouches in its flight policies, nor do the sites for American Airlines, United, Southwest Airlines or JetBlue