We are seeing new articles coming out on a regular basis now about the health risks of e-cigarettes, wether or not they contain nicotine…

“The common belief is that the nicotine is what is toxic, but we have found that dangers exist, independent of nicotine,” Wehrli said. “Clearly if there is an effect after a single use of an e-cigarette, then you can imagine what kind of permanent damage could be caused after vaping regularly over years.”

https://www.pennmedicine.org/news/news-releases/2019/august/nicotine-free-e-cigarettes-can-damage-blood-vessels?fbclid=IwAR12FPZyUYm39_y-duFRDROwSXCix6poWBrn4yxNX8hb4em_-zHKQQpNbdM