Medicine

Switching to vaping may reduce the cancer-fighting benefits of quitting smoking

AI Insight

A large-scale study analyzing data from 4.5 million individuals found that former smokers who switched to vaping had a higher risk of dying from lung cancer compared to those who quit tobacco entirely without using e-cigarettes. The research suggests that while quitting smoking reduces cancer risk, substituting cigarettes with vapes may diminish some of the health benefits associated with complete cessation. This challenges the assumption that vaping is a harmless alternative for people trying to quit smoking.


This finding has significant implications for public health policy and smoking cessation strategies, as vaping is widely promoted as a safer alternative to traditional cigarettes and a tool to help smokers quit. The results suggest that complete tobacco and nicotine cessation, rather than substitution with e-cigarettes, may be necessary to maximize the reduction in lung cancer mortality risk.


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: Ditching cigarettes for vapes may curb the cancer benefits of quitting