▁decl ines ▁in ▁heart ▁attack ▁rates . ▁The ▁authors ▁have ▁also ▁analyz ed ▁smaller ▁studies ▁using ▁subs amples ▁and ▁revealed ▁that ▁large ▁short - term ▁increases ▁in ▁my oc ard ial ▁inf ar ction ▁inc idence ▁following ▁a ▁sm oking ▁ban ▁are ▁as ▁common ▁as ▁the ▁large ▁decre ases . ▁ ▁Effect s ▁upon ▁to b acco ▁consumption ▁Sm oking ▁b ans ▁are ▁generally ▁acknowled ged ▁to ▁reduce ▁rates ▁of ▁sm oking ; ▁smoke - free ▁work p laces ▁reduce ▁sm oking ▁rates ▁among ▁workers , ▁and ▁restrictions ▁upon ▁sm oking ▁in ▁public ▁places ▁reduce ▁general ▁sm oking ▁rates ▁through ▁a ▁combination ▁of ▁st ig mat isation ▁and ▁reduction ▁in ▁the ▁social ▁c ues ▁for ▁sm oking . ▁However , ▁reports ▁in ▁the ▁popular ▁press ▁after ▁sm oking ▁b ans ▁have ▁been ▁en act ed ▁often ▁present ▁conflic ting ▁accounts ▁as ▁regards ▁per ception s ▁of ▁effect iveness . ▁ ▁One ▁report ▁stated ▁that ▁cig aret te ▁sales ▁in ▁Ireland ▁and ▁Scotland ▁increased ▁after ▁their ▁sm oking ▁b ans ▁were ▁implemented . ▁In ▁contrast , ▁another ▁report ▁states ▁that ▁in ▁Ireland , ▁cig aret te ▁sales ▁fell ▁by ▁ 1 6 % ▁in ▁the ▁six ▁months ▁after ▁implementation ▁of ▁the ▁ban . ▁In ▁the ▁UK , ▁cig aret te ▁sales ▁fell ▁by ▁ 1 1 % ▁during ▁July ▁ 2 0 0 7 , ▁the ▁first ▁month ▁of ▁the ▁nation wide ▁sm oking ▁ban , ▁compared ▁with ▁July ▁ 2 0 0 6 . ▁ ▁A ▁ 1 9 9 2 ▁document ▁from