can one cigarette cause damage Smoking doesn't need to be “heavy” to be harmful. Even occasional cigarettes injure the lungs and set disease in motion. Quit early, quit completely.“Just one” is how people get trapped. There Smoking One Pack of Cigarettes

Public health practitioners should continue to advocate for the full implementation of Aotearoas Smokefree Legislation

The increase in daily and current EC use between 2019/20 and 2020/21 occurred concurrently with the large reduction observed in smoking prevalence (Figure 1), whereas the more gradual increase in EC use between 2015/16 and 2019/20 was not associated with a substantial change in the rate of decline in smoking prevalence

Interestingly, the tobacco price and the smoking rate show a close, inverse relationship across countries

Some examples are:

Change the filter as required usually between 10-15 cigarettes