大部分常用安眠药通过使大脑减缓神经系统反应和促进放松的化学物质效应起作用。

The most popular pills work by strengthening the effects of a brain chemical that slows the nervous system and promotes relaxation.

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结果：鲑鱼降钙素的不良反应临床表现主要为潮红、发热，其次为胃肠道反应，皮疹、神经系统反应和循环系统反应较少见。

RESULTS: The ADRs of calcitonin salmon were mainly manifested as flush and fever, next gastrointestinal disorders, while rash, disorders in nervous system and cardiovascular system were infrequent.

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结果：不良反应临床表现以肌肉毒性反应常见，其次为肝脏毒性反应以及其它不良反应（ 神经系统反应、关节肿痛、过敏等）。

RESULTS:ADRs were mostly seen in the toxic reactions of muscle, followed by toxic reactions of liver and other adverse reactions such as nervous system reaction, pain in joints, allergies, etc.

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One of the things you know about the nervous system is its fast.

你们都知道神经系统反应迅速

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