Studies have shown that it is related to overusing, dysfunction of basal ganglia, abnormality of the function of sensorimotor cortex and certain inherent cause.

病因尚不明，目前的研究认为过度的活动、基底节功能障碍、大脑皮质运动和感觉功能异常及一定的遗传背景可能与之有关。

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The etiology is unknown. Studies have shown that it is related to overusing, dysfunction of basal ganglia, abnormality of the function of sensorimotor cortex and certain inherent cause.

病因尚不明，目前的研究认为过度的活动、基底节功能障碍、大脑皮质运动和感觉功能异常及一定的遗传背景可能与之有关。

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If the fact that Pius XII was a pope gave his sainthood cause some inherent advantages, in other ways it made perceptions of his holiness less immediate and less personal.

FORBES: Book Notes: The Vatican Diaries

Inherent risks and uncertainties could cause actual results to differ materially from the forward-looking statements made herein.

FORBES: Personal Capital Quarterly Review & Outlook