AI Insight
A large-scale study involving 4.5 million participants found that former smokers who subsequently use e-cigarettes have a higher risk of lung cancer mortality compared to those who quit smoking without using vaping products. The research suggests that taking up vaping after quitting traditional cigarettes may not provide the health benefits previously assumed and could potentially increase cancer risk in this population.
Why it matters
This finding challenges the common perception that e-cigarettes are a safe alternative for ex-smokers and has significant implications for smoking cessation strategies and public health guidance. The results may influence recommendations for former smokers considering vaping as a substitute habit.
Understand the Science
A study of 4.5 million people suggests that ex-smokers who take up vaping are more at risk of dying from lung cancer than people who quit without the use of e-cigarettes
Source: Vaping after quitting smoking is linked to lung cancer