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为什么不能一边吃饭一边看书
更新时间: 2020-09-19 00:00:00  

人进食时,大脑参与唾液腺,胃及胰腺等分泌消化液工作,食物气味,颜色,形状及进食声音刺激人嗅觉,视觉及听觉,反射性地促进胃液,胰液分泌;边吃饭边看书,人脑注意力集中于书中故事或图画,则食物对大脑刺激减少,胃液及胰液分泌减少,胃肠蠕动相应减弱,影响胃肠对食物消化和营养物吸收;餐时胃肠使食物与消化液混合成食糜,再蠕动让食糜向下运行,胃肠需要充足血液;吃饭时看书,大脑记忆部分兴奋,需氧气和营养,大脑需充足血液,使胃肠道血液减少,影响胃肠道运动和消化功能;边吃饭边看书妨碍食物消化吸收,大脑血液不足,记忆力减退。

关键词: 为什么 一边 吃饭

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