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多食鱼可防脑中风

来源:华人健康网 | 发布时间:2010-10-25 14:41:47 | www.chinesejk.com

  高血压病人若多吃鱼,则在血管壁上及血小板膜中产生一种奇妙的脂肪酸,名叫五烯酸,可使血管扩张,血压下降,且能阻止血液凝固。

大脑示意图

  人体会产生一种前列腺环素进入到血液中,具有松弛血管四周肌肉的功效,使血管扩张,从而引起血压下降,同时,它还有防止血液凝固的作用。而血液中的血小板是由促凝血素产生的,它能使血管收缩、血液凝固。这两种截然相反的物质,在健康人体内保持平衡状态。一旦平衡被破坏,血压便随之升高,并可促使动脉硬化。然而,高血压病人若多吃鱼,则在血管壁上及血小板膜中产生一种奇妙的脂肪酸,名叫五烯酸,可使血管扩张,血压下降,且能阻止血液凝固。

(编辑:小鱼 )

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