Emissions from e-cigarette aerosols and flavorings damage lung cells by creating harmful free radicals and inflammation in lung tissue, according to the UR study published in the journal PLOS ONE.
The investigation suggests the harm begins when the e-cigarette’s heating element is activated. The heating element is designed to turn a liquid solution (known as an e-liquid or “juice”) into an aerosol that mimics cigarette smoke. The inhaled vapors contain heavy metals and other possible carcinogens in the form of nanoparticles – tiny particulate matter that can reach farther into lung tissue, cell systems, and blood stream.
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