The results revealed that of the 184 players that had since died, those in the 'no smile' category had lived an average of 72.9 years.

　　结果显示，在184名现已去世的队员中，那些属于在照片中“从不微笑”的人，他们的平均寿命是72.9岁。

　　The findings support another study which showed that being happy can reduce the risk of heart disease

　　这些证据同时也支撑了另一项研究，那就是保持快乐的心态会降低得心脏病的风险。