夏天喝冷饮的危害

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摘要

人们以为夏天吃冷饮最好。其实,吃温热性饮料比冷饮的效果更好。因为盛夏或人们劳动、运动时,体内温度升高,如果图一时凉快,吃过量的冷饮,胃肠道血管会因强烈冷刺激而收缩

  人们以为夏天吃冷饮最好。其实,吃温热性饮料比冷饮的效果更好。

  因为盛夏或人们劳动、运动时,体内温度升高,如果图一时凉快,吃过量的冷饮,胃肠道血管会因强烈冷刺激而收缩,减少腺体分泌,导致食欲下降,消化不良,肠胃炎等病症。

  实验证明,温度为25℃~30℃的饮料,能较快地渗透到粘膜组织,使脱水的细胞迅速补充到水分而恢复平衡,使机体徐徐降温,从而解除热渴感。这就是夏天人们吃温热性饮料比吃冷饮解渴的原因。

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