Vaping can damage DNA, but unknown if that leads to cancer



E-cigarettes produce chemicals that can damage a person's DNA, the first step on a path that might lead to cancer, a new study reports.

The saliva of a small group of e-cigarette users contained increased levels of three DNA-damaging compounds, the researchers said. These chemicals are formaldehyde, acrolein and methylglyoxal.

Further, four of the five e-cigarette users showed increased DNA damage in their mouths related to acrolein exposure, when compared against people who don't vape.

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