桑拿不是人人都能蒸的
现代人工作紧张，生活忙碌，偶尔到桑拿房去“蒸”一下，缓解一下压力，放松一下神经，其实也未尝不可，对健康也很有好处。
不过桑拿不是人人都可蒸的，特别是一些心脑血管疾病或潜在疾病的患者，一不小心，就可能蒸出大麻烦。最近，就有因为“蒸”桑拿而诱发心肌梗塞等病症发作的报道频频见诸报端，可见，桑拿也要因人而异。
蒸桑拿加快血液循环，有利排除体内毒素
很多人都有这样的体会，从桑拿房出来，原本感觉很沉重的身体一下变得轻松了，精神也放松了不少，这也是人们钟爱这种休闲方式的一个重要原因。
据了解，桑拿时，人全身置身于恒定的高热雾汽之中，通过大量的排汗散热，肌肤毛细血管充分扩张，血液循环加快，体内的组织细胞得到更多的氧气和营养，淤积于体内的过多脂肪废物和乳酸等也被迅速排出体外。因此，蒸桑拿具有疏通血脉、松弛神经、驱除疲劳等健身功效，同时它还能加速皮肤新陈代谢，增强皮肤的弹性和光洁度。
桑拿并非人人都能蒸
北医三院的心内科副主任郭丽君告诉记者，蒸桑拿也是要看人的身体状况的，心脏功能不好的人，有心肌病，或有先天性心脏病的人都是不能蒸桑拿的，还有就是有心血管疾病的患者或没有症状的潜在患者，包括冠心病、高血压、高血脂、高血糖、高血黏度等慢性病人群，以及糖尿病、肥胖、有心脏病家族史的人群也不太适合。
“心脑血管疾病发生的根本原因就是血液供应的供需矛盾。”郭丽君说：“环境、天气、季节、气压的变化等都是心脑血管疾病的诱发因素。”
There was once a child, and he strolled about a good deal, and thought of a number of
things. He had a sister,
dog collarswho was a child too, and his constant companion. These two used to wonder all day long.
They wondered at the beauty of the flowers; they wondered at the height and blueness of the
sky; they wondered at the depth of the bright water;
wholesale dog clothesthey
wondered at the goodness and the power of God who made the lovely
world.
They used to say to one another,
dog
foodsometimes, supposing all the children upon earth were to die, would the flowers,
and the water, and the sky be sorry? They believed they would be sorry. For, said they, the
buds are the children of the flowers, and the little playful streams that gambol down the
hill-sides are the children of the water; and the smallest bright specks playing at hide
and seek in the sky all night,
dog
harnessmust surely be the children of the stars; and they would all be grieved to see
their playmates, the children of men, no more.
There was one clear shining star that used to come out in the sky before the rest, near
the church spire,
dog leashesabove
the graves. It was larger and more beautiful, they thought, than all the others, and every
night they watched for it, standing hand in hand at a window. Whoever saw it first cried
out, "I see the star!" And often they cried out both together, knowing so well when it
would rise, and where. So they grew to be such friends with it, that, before lying down in
their beds, they always looked out once again,
dog productsto bid it good-night; and when they were turning round to
sleep, they used to say, "God bless the star!"
But while she was still very young, oh very, very young,
dog shoesthe sister drooped, and came to
be so weak that she could no longer stand in the window at night; and then the child looked
sadly out by himself, and when he saw the star, turned round and said to the patient pale
face on the bed, "I see the star!" and then a smile would come upon the face, and a little
weak voice used to say,
dog
supplies"God bless my brother and the star!"
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dog clothes!dog clothes!dog clothes!dog clothes!dog clothes! 据她介绍，洗过桑拿的人都有这样的体验：被炙热的水蒸气包围着，没过多久就会感到喘不过气来。这是因为桑拿房一般空间都比较小，空气湿度大，又没有空气流通的窗口，屋内空气的含氧量下降，即使是身体健康的人都会感到胸闷气短，呼吸不畅，更不要说是那些特殊人群了。
而且桑拿房里的温度一般都会超过40℃，在这样的高温环境下，人体的新陈代谢会显著加快，人体皮下的血管就会扩张，皮肤血流量比平时会增加3-5倍，回到心脏的血流量也显著增多，这样势必会加重心脏的负担。
同时，高温状态可以引起人体内环境紊乱，交感神经兴奋，心率加快，冠状动脉收缩，心肌耗氧量增大，心脏的工作量增加，造成原本就比较脆弱的心脏更加不堪重负。
另外，在桑拿房内，人体出汗比较多，血液会变得黏稠，很容易形成血栓，导致各种心血管疾病的发生。尤其是老年人，他们的体温调节中枢不太灵敏，所以更不适宜蒸桑拿。
还有，过度劳累或饥饿时不要洗桑拿浴。人在劳累或饥饿时肌肉张力较差，对冷和热的刺激耐受性降低，洗桑拿浴时容易引起虚脱。
据国外一项研究发现，高温环境对男性精子的生长有很大的损害，所以未婚男性洗桑拿不能太过频繁，否则易导致不育症。
蒸桑拿前要做充分准
