Study: Effects of Electronic Cigarette Constituents on the Human Lung: A Pilot Clinical Trial (TLDR: 4 weeks of vaping 0nic/50pg/50vg by never smokers produced almost no differences from control group of never smokers who didn't vape) User mstave, in the Reddit's Global Vaping Community subreddit, 01 Feb 2020
Study: Effects of Electronic Cigarette Constituents on the Human Lung: A Pilot Clinical Trial (TLDR: 4 weeks of vaping 0nic/50pg/50vg by never smokers produced almost no differences from control group of never smokers who didn't vape) User mstave, in the e-cigs - Electronic Cigarette & Vaping subreddit, 01 Feb 2020
Study: Effects of Electronic Cigarette Constituents on the Human Lung: A Pilot Clinical Trial - study used 0nic, unflavored pg/vg, found mostly no effect, except small increase in cell count "the absolute magnitude of changes was small" (hyped in media as vaping causes lung inflamation) User mstave, in the e-cigs - Electronic Cigarette & Vaping subreddit, 18 Oct 2019