tobacco research journal Nicotine and Case Study Frontiers | Decades of discovery:
Description
Besides nicotine, e-cigarette vapors contain propylene glycol and/or vegetable glycerin which are used to produce theatrical fog

Again, a line is a line even if it is faint
Assumptions and Limitations 3

adults, 4.5 percent of whom said they vaped in 2021
Effects of a single dose of baclofen on self-reported subjective effects and tobacco smoking
