UP IN SMOKE OP-ED 31 August 2023 As Covid-19 showed us, tobacco bans have little effect — behavioural changes work By Stefani Du Toit, Stephan Rabie, Casey Fredericks, Gameedah Slarmie, Mfanelo Ncukana, Nonkanyiso Molatoli, Roxanne Pelteret and John Joska 5 min 0