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Toxic Compounds From Heated E-Cigarette Fluids Can Damage Lung Cells

Researchers identified methylglyoxal and acetaldehyde formed when vaping fluids heat, with methylglyoxal causing significant lung cell damage at low levels, raising health concerns.

Summary by Medical Xpress
A study by University of California, Riverside, scientists has found that two toxic chemicals can form when the main ingredient in most e-cigarette fluids is heated, and that these compounds can harm human lung cells.

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Medical Xpress broke the news in on Thursday, October 23, 2025.
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