JAKARTA - Vaping or electronic cigarettes are likely to cause lung and mouth cancer. This was found in a recent study by researchers at the University of New South Wales in Sydney.
The study analyzed the evidence from animal studies, human case reports, and laboratory studies published between 2017 and 2025. One of the most detailed studies to date on whether nicotine e-cigarettes can cause cancer.
"There is no doubt that cells and tissues of the oral, oral, and pulmonary cavities are altered by inhalation of e-cigarettes," said co-author Adjunct Prof Bernard Stewart, quoted by The Guardian, on Tuesday, March 31, 2026.
As is known, modern e-cigarettes were only discovered in the early 2000s. This led to not enough long-term data from the large number of people using vaping and developing cancer to determine a definitive risk.
Many vapers also smoke, making it difficult to distinguish the effects of vaping alone from tobacco. For this reason, the review does not measure how many people may have been exposed to cancer as a result of vaping, but instead assesses whether it causes the type of biological changes known to cause the disease.
The research also includes case reports from dentists who noticed oral cancers in people who only used vape and who did not smoke. The research examination on animals also found that mice exposed to e-cigarette vapor developed lung tumors at a greater rate than mice who were not exposed.
"Based on all this knowledge, we determined that e-cigarettes are likely to cause lung cancer and mouth cancer, although we cannot say how big the burden is," he explained.
Researcher at the Department of Public Health, University of Otago in New Zealand, Calvin Cochran, said that research like this should be seriously considered. This is useful for policy considerations related to vaping and warnings for many of its users.
"Every study like this should be taken seriously by policymakers, governments, and health organizations," Cochran concluded.
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