Australian health officials warn vaping may cause cancer and contain dangerous additives

A University of New South Wales review released on 31 March 2026 concluded that nicotine‑based e‑cigarettes are likely to cause lung and oral cancer. The study, which examined over 100 papers from 2017‑2025, found that the evidence satisfied all WHO and IARC criteria for causation, prompting calls for stricter regulation of vaping products in Australia.

The Lung Foundation Australia also highlighted a separate risk, reporting that a powerful sedative has been detected in illicit vaping products sold domestically. The foundation warned that users of illegal vapes cannot know what chemicals they inhale, adding to concerns over nicotine addiction, respiratory symptoms and the emerging link to oral cancers. Both organisations urged stronger public‑health measures, increased enforcement against illegal products, and greater support for people seeking to quit vaping.

Vaping among Australian youths has risen sharply, with usage among 14‑ to 24‑year‑olds tripling since 2019, reinforcing the urgency of the warnings.