Pueblo
Colorado
Janet Collins
More than 20 of the 50 American states ban smoking in public places. Many other states have partial bans. And many local governments have their own restrictions. A new study has found the strongest evidence yet that smoke-free laws can reduce a major effect of tobacco?smoking?-- heart d…
美國的50個州中，超過20個州禁止在公共場所吸煙。許多其他州也有部分禁止。而許多當?shù)卣灿凶约旱南拗啤? 新的一項研究發(fā)現(xiàn)一個強有力的證據(jù)，即禁煙令會減少吸煙的主要危害—心臟病?？屏_多拉州的印第安人村莊進行了這項研究。2003年7月，該市禁止在公共場所和工作場所吸煙。 禁令前一年半，有399位患者因為心臟病…