by Liz Schlemmer
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![E-cig sign](https://carolinaconnection.org/wp-content/uploads/2016/03/E-cig-sign-300x225.jpeg)
New research from UNC has raised questions about the health effects of e-cigarettes.
Some people consider vaping a healthier alternative for those who want to quit smoking. But scientists say there’s little evidence to back that up.
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