Objective To test the hypothesis that greater purpose in life is associated with a reduced risk of AD.

目的：为了验证人生目标越高与罹患ad的风险越低具有相关性的假说。

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Objective. To understand how height patterns (loss and gain) at AD and PD affects the PF contact loading during moderate and severe grades of cervical disc degeneration (DD).

目的：理解在中、重度分级的颈椎间盘退变(DD)过程中，AD和PD高度变化(丢失和增加)如何影响PF连接负荷。

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Objective: To explore the possible reasons that influences the development of Alzheimer disease (AD).

目的：探讨影响阿尔茨海默病(AD)病情进展速度的可能原因。

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