Vaping

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•Last Updated: August 28, 2025

Vaping involves inhaling vapor from a liquid using an electronic cigarette (also known as an e-cigarette). It is used as an alternative to smoking tobacco.

Last Updated:August 28, 2025

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E-cigarette use and lung health

In this meta-analysis of observational studies, the risks of adverse lung health outcomes were highest in the participants who both vaped e-cigarettes and smoked regular cigarettes and lowest in the participants who neither vaped nor smoked.

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