世界卫生组织 对老年人的划分,提出新的标准,将44岁以下的人群称为青年人,45到55岁的人群称为中年人,56到65岁的人群称为年轻的老年人,66以上的才称为老年人。 把85岁以上的人群称为长寿老人。
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