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出汗后猛吹空调小心“中阴暑” 消暑宜以热制热
发布时间：2011-06-15      来源：扬子晚报

　　天热，室外走动出了一身汗，一回家猛吹空调，当心，你会中暑！中暑？不是热过头才中暑吗？其实夏季过度贪凉也会中暑，这叫“中阴暑”。

　　中暑也分“阴”和“阳”

　　“中阴暑”是中医的一种说法。广东省中医院芳村分院急诊科主任覃小兰说，当天气炎热的时候，大家如果过度贪凉，睡眠时电风扇强吹，空调温度过低，会让寒邪袭于肌表，热闭于内而致病。通俗来讲，就是天气炎热时，大家汗腺开放毛孔打开，如果突然给予冷刺激，毛孔一下子全闭塞，忽热骤寒机体一时调节不过来，于是就会出现不适。

　　而我们平常所指的“中暑”是指“中阳暑”，指在暑日当空或高温环境中长时间工作，突然出现头晕胸闷、高热汗出、面红目赤等症状，这时需要补水散热降温，及时服用人丹、十滴水、藿香正气水等解暑药，并多喝些淡盐水，以补充流失的体液。

　　夏季消暑宜以热制热

　　说到消暑的方法，人们常以为用冰冷来消除暑热很立竿见影，但其实这些方式不合乎中医养生的原则。专家指出，夏天气温接近人体的温度，人体散热方式以汗蒸发为主，所以用热来制热才是好的养生法。

　　光膀不如短袖：当外界气温高于皮肤温度时，暴露面积不宜超过人体总表面积的25%，否则热辐射就会侵入皮肤，反而更热。

　　洗热水澡：夏天洗冷水澡会使皮肤收缩，洗后反觉更热，而洗热水澡虽会多出汗，但能使毛细血管扩张，有利于机体排热。夏天该出汗时出汗，这才是符合自然规律和人体节律的方式。

　　喝热茶：冷饮只能暂时解暑，不能持久解热、解渴，且不可食之过多，否则会使肠胃温度下降，引起不规律收缩，诱发腹痛、腹泻等。而喝热茶则可刺激毛细血管普遍舒张，体温反而明显降低，这是简便易行的降暑良方。

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