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Flavored e-cigarette liquids can harm heart, blood vessel cells

High concentrations of flavored e-cigarette liquids may result in cell damage to the blood vessels and heart, according to a study in the journal Arteriosclerosis, Thrombosis, and Vascular Biology. Investigators exposed endothelial cells to varying doses and concentrations of popular e-cigarette chemical flavorings during lab tests and found that five of nine flavors hindered production of nitric oxide, important for inflammation, clotting and blood flow.

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