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加拿大科学家最近发表了一项研究结果表明人体大脑的钠含量变化可能导致人脑最主要神经递质受体之一----海藻氨酸受体功能改变的原因之一。这种受体在大脑行使正常生理机能过程中扮演重要角色。一旦其异常活跃，将会导致一系列脑部功能紊乱，如癫痫和神经性疼痛等病症。
详细英文报道：
Researchers at McGill University in Montreal, Canada, have found that sodium acts as a switch for a major neurotransmitter receptor in the brain, known as the kainate receptor. Balancing kainate receptor activity is essential for maintaining normal brain function. Drugs that could shut down this activity could be beneficial since excessive kainate activity has been linked to numerous brain disorders, including epilepsy and neuropathic pain.