Combined vaping & smoking increases lung cancer risk

 According to the article:

"People who both vape and smoke are four times more likely to develop lung cancer than people who just smoke, according to a new study."

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Researchers say this is the first evidence that combining these habits significantly raises cancer risk.
https://respiratory-therapy.com/public-health/smoking/smoking-plus-vaping-quadruples-lung-cancer-risk-study-reveals/