Objective To study the risk factors of cardiovascular diseases in the middle-elderly population and develop reasonable prevention strategies.

目的了解北京酒仙桥地区中老年人群心血管病发病的相关因素，以制定合理的预防措施。

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Parkinson disease (PD) is a common disease in the middle-aged and elderly population, which may affect their quality of life.

帕金森病(PD)是中老年人的常见病之一，严重危害中老年人的生活质量。

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