结果显示：建立良好的体育生活方式是促进老年人身心健康的主要途径，是老年人科学健身、预防与治疗疾病、延年益寿的有效途径。
The results show that healthy sports life style is effective in promoting the old people's mental health, preventing and treating diseases and prolonging natural life.
美国科学家表示，年轻人的大脑处理信息的速度比老年人要快。
According to the US scientists, young people's brains deal with information faster than older people.
美国科学家说，老年人正变得更健康、更快乐、更独立。
Elderly people are growing healthier, happier and more independent, say American scientists.
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