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According to a new study, the Chemicals used to flavor electronic cigarettes can damage cells that line blood vessels and may pose a long-term risk to a user’s heart.

Why this matters: The topic of e-cigs has been in the cross-hairs of the healthcare industry for the past several years for a variety. This adds to the mounting evidence that vaping and e-cigarettes may be harmful.

Notable quotes: “This study clearly shows that e-cigarettes are not a safe alternative to traditional cigarettes. When we exposed the cells to six different flavors of e-liquid with varying levels of nicotine, we saw significant damage. The cells were less viable in culture, and they began to exhibit multiple symptoms of dysfunction.” – Joseph Wu, professor of cardiovascular medicine and radiology