Smoking bans don’t prevent you having to breathe in smoke particles

It is possible to passively smoke in places where smoking is banned, because harmful tobacco chemicals remain on people’s bodies and clothes and in the air

Source:
https://www.newscientist.com/article/2236176-smoking-bans-dont-prevent-you-having-to-breathe-in-smoke-particles/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home