In Ireland, where the legislation was brought in three years ago, research has shown that air pollution in pubs has been reduced by 83 per cent with an 80 per cent reduction in cancer-causing agents.
Morago ga ngwaga fela go thibetswe go goga motsoko mo mafelong a batho botlhe kwa Jeremane, dipatlisiso di ne tsa bontsha gore palo ya batho ba ba amogelwang kwa dikokelong ka ntlha ya bolwetse jwa pelo (angina pectoris) e ne ya fokotsega ka diperesente di le 13,3; mme ya ba ba tshwerweng ke bolwetse jwa go ema pelo e ne ya fokotsega ka diperesente di le 8,6.