cigarette rules State Summary Court Rules FDA's Graphic Cigarette

Vaper aerosols contain nicotine (in most), solvents (propylene glycol, vegetable glycerin), and flavourings that, when heated, generate compounds that irritate the oral mucosa

Global burden and strength of evidence for 88 risk factors in 204 countries and 811 subnational locations, 19902021: a systematic analysis for the Global Burden of Disease Study 2021

Because of this delivery difference, you typically need a slightly higher nominal mg level than you'd expect to match your cigarette intake

Deng J, Shi L, Yuan K, Yao P, Chen S, Que J, et al

Rising disposable income, brand-conscious adult smokers, and demand for high-quality, differentiated tobacco products are driving the market