Who would have thought? Something that humans never had in history that they now have could be bad for you? Whatever, you do you. Archive: https://archive.today/VssYP From the post: >>Vaping has an 'immediate' negative effect on how well blood vessels work - even if the e-cigarette doesn't contain nicotine. A new study showed after just a few puffs, the amount of oxygen-rich blood being supplied to organs like the heart drops significantly. Scientists say the results may mean that vaping regularly could lead to blood clots, strokes, and other vascular conditions including dementia. The effect was most dramatic in people using vapes that contained nicotine but were seen even among those who puffed on drug-free versions.