Is a complete ban on smoking next?
MPs have this week agreed to introduce a ban on smoking in cars in England. Similar measures are being planned for Wales, while Scotland is considering such a step.
This follows on from a proposal to introduce plain packaging of cigarettes in England and a number of other crackdowns over the years.
Some areas are even looking into stopping people lighting up in parks and town squares.
So what is next? Could an outright ban on smoking be in the pipeline? In this interactive video we look at what has been happening and what could follow.
If you are unable to watch, here is some of the content included in this interactive video.