在每次引起疼痛的刺激实施之前都会提醒他们，其大脑便以特有的方式发出轻微惧怕的信号。
They were warned before each time the painful stimulus was administered, and their brains lit up in a characteristic way signaling mild dread.
它保护组织遭到破坏，使细胞减少适当的压力，同时释放出引起疼痛的化学物质来防止相关部位持续的“过度使用和滥用”。
It prevents rapid tissue destruction by allowing for cellular adaptation to the stress as well as the release of pain-causing chemicals to prevent continued "overuse and abuse" of the involved part.
跛行症状可能被许多其他引起腿部疼痛的情形模仿，例如关节炎和神经疾病（神经病变）。
The symptoms of claudication can be mimicked by many other conditions which cause pain in the legs such as arthritis and nerve problems (neuropathy).
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