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Older women who look on the bright side of life were less likely to die in the next several years than their peers who weren't as positive about the future.
年纪大的女性，如果心态积极乐观，在接下来的几年，会比悲观的同龄人死亡几率更低。
The research, published Wednesday in the American Journal of Epidemiology, is the latest to find an association between a positive sense of well-being and better health, though it's not yet clear whether one causes the other.
《美国传染病期刊》周三刊登的研究最先发现积极的心理状态与健康之间的关系，尽管没有明显证据表明两者之间存在因果关系。
They found that after controlling for factors including age, race, educational level and marital status, the women who were most optimistic were 29 percent less likely to die during the six-year study follow-up than the least optimistic. That reduced risk was seen in cancer (16 percent lower), heart disease (38 percent), stroke (39 percent), respiratory disease (37 percent) and infection (52 percent).
他们发现，当研究对象的年龄、宗教、教育水平和婚姻状况都一样，在六年的研究周期中，心态最乐观的女性比最悲观的女性，死亡风险系数低29%。其中癌症（低16%），心脏病（低38%），中风（低39%），呼吸道疾病（低37%）以及传染病（低52%）。