▁public ▁places ▁has ▁reduced ▁the ▁cause ▁of ▁heart ▁disease ▁among ▁adult s . ▁Such ▁legisl ations ▁include ▁b anning ▁sm oking ▁in ▁restaur ants , ▁bus es , ▁hot els ▁and ▁work p laces . ▁Institute ▁of ▁Medicine ▁( IO M ) ▁conven ed ▁by ▁the ▁Center ▁for ▁D ise ase ▁Control ▁( CD C ) ▁found ▁out ▁that ▁there ▁are ▁card i ov asc ular ▁effects ▁from ▁expos ure ▁to ▁second hand ▁smoke . ▁An ▁ep ide mi ology ▁report ▁says ▁that ▁the ▁risk ▁of ▁coron ary ▁heart ▁disease ▁is ▁increased ▁to ▁around ▁ 2 5 - 3 0 % ▁when ▁one ▁is ▁exposed ▁to ▁second hand ▁smoke . ▁The ▁data ▁shows ▁that ▁even ▁at ▁low ▁levels ▁of ▁the ▁smoke , ▁there ▁is ▁the ▁risk ▁and ▁the ▁ris ks ▁increases ▁with ▁more ▁expos ures . ▁ ▁A ▁ 2 0 1 2 ▁meta - analysis ▁found ▁that ▁smoke - free ▁legisl ation ▁was ▁associated ▁with ▁a ▁lower ▁rate ▁of ▁hospital izations ▁for ▁card iac , ▁c ere bro vas cular , ▁and ▁resp ir atory ▁dise ases , ▁and ▁that ▁" More ▁compreh ensive ▁laws ▁were ▁associated ▁with ▁larger ▁changes ▁in ▁risk ." ▁The ▁senior ▁author ▁of ▁this ▁meta - analysis , ▁St anton ▁Gl ant z , ▁told ▁USA ▁Today ▁that , ▁with ▁respect ▁to ▁exem ptions ▁for ▁certain ▁facilities ▁from ▁sm oking ▁b ans , ▁" The ▁polit icians ▁who ▁put ▁those ▁exem ptions ▁in ▁are ▁condem ning ▁people ▁to ▁be ▁put ▁into ▁the ▁emer gency ▁room ." ▁A ▁