The summer heat marked the arrival of a hot summer. In summer, many people like to drink plenty of water in order to understand the thirst. In general impression, drinking plenty of water is a good thing, but experts advise that excessive drinking water can cause "water intoxication." Health care expert Zhang Dongsheng pointed out that when people sweat, they not only lose water but also lose salt. When you sweat, you only drink water. After the water is absorbed by the stomach, it is excreted through sweat. When you sweat, you lose some salt. Continuous drinking of water and excessive sweating can make the salt in your blood lose more. Low levels of salt in the blood, water absorption capacity will be reduced, the water will enter the cell through the cell membrane, there is hypotonic dehydration, so that cells edema, people will appear dizziness, vertigo, muscle pain, spasms and other "water toxicity" symptoms. Long-term excessive drinking water and drinking water in a short time will cause "water intoxication". Health experts said that to prevent water poisoning, to do scientific drinking water, first, moderate drinking salt water, add body fluids salt; second is to drink slowly, do not drink too much at one time, too fierce; Third, do not drink too cold water. Health experts also said that in the summer you need to drink plenty of water. It is best to drink four glasses of water a day. A cup of morning morning, you can wash the intestines, Lee stool; a cup of noon can slow down blood pressure; drink a cup in the evening you can rinse the bladder, clearing and urinating; drink half an hour before going to bed at night, is conducive to peace of mind.
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In the midsummer, when the thirst is too uncomfortable, or after strenuous exercise, some people drink a lot of water at a stretch, feeling very happy and thirsty, but they do not know that this is the wrong way to drink water.