Anewstudyreportedinamedicalmagazineconcludesthatevensmo...
问题详情:Anewstudyreportedinamedicalmagazineconcludesthatevensmokerswhoreachtheir70sarelikelytolivelongeriftheystopsmoking.Researcherssaythattheyhavegotsomeofthestrongestevidence(*据)thatit'snevertool...