Episode Details

Researchers from the University of New South Wales in Sydney have conducted a comprehensive review of evidence, concluding that vaping likely causes lung and oral cancer. The study, which analyzed animal studies, human case reports, and lab data from 2017 to 2025, found that e-cig vapor can cause DNA damage and inflammation in mouth and lung tissues. While long-term human studies are lacking, dentists have reported oral cancers in non-smokers who only vaped. Mice exposed to vapor even developed lung tumors faster. Experts warn that we may be repeating history with vaping, as it took a hundred years and thousands of studies to establish the dangers of cigarettes. The studys co-authors urge caution, noting that many vapers also smoke, which can muddy the data. Some argue that vaping may be less deadly than cigarettes due to the absence of combustion toxins, but the lead researchers insist that vapes can cause cancer changes on their own. The study highlights the importance of Australias pharmacy-only access for smokers trying to quit and calls for regulators to protect kids and non-smokers from the risks of vaping.

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