first e cigarette invented The History of the Vaping: It goes back further than you think... – E- Direct Vaping: How E-cigs Work (Infographic)

In an important study by Khokhar and Tyndale, the authors found that 7 days of nicotine treatment increased CYP2B expression in the brain, but not liver, and surprisingly, this change in metabolism was sufficient to potentiate the sleep-inducing effects of the general anesthetic propofol in male rats (167)

This information should be considered when looking at cessation interventions and biomarkers

Gently rinsing your mouth with a saltwater solution can help keep the area clean without disturbing the blood clot

A HEPA filter is excellent at removing the physical particles in smoke (like ash and tar), but it cannot remove the gases, odors, or chemicals