What are the disadvantages of eating too many cold drinks in summer?

After entering the summer, people will feel sultry and unbearable because of high temperature and humidity, and the water in the body is difficult to evaporate. So many people try their best to cool down. In fact, it is not good to be too greedy and cold, and it is also easy to cause disease. Traditional Chinese medicine "On the Essentials of Health Preservation" says: "Summer heart is full and kidney fails. Although the weather is hot, water should eat cold water, snow, honey ice, bean jelly, cold porridge, warm enough to drive away the cold, and cholera will definitely happen "; "Under the eaves, there is a corridor, street hall is broken, can't enjoy the cool. Although such a place is cool, thieves are the fiercest. Don't lie naked under the moon and stars, and don't blow an electric fan when you sleep. If the wind enters the bed, it will suffer the most. " After the summer vacation, many people like to sleep on the outdoor floor at night. Some people lie in the ventilated place in the corridor, some people lie under trees, at the roots of walls or other vents, and some people sleep indoors. All the doors and windows are open, blowing an airflow. The cool breeze blows on your body, which makes you feel comfortable and easy to fall asleep. However, when you wake up, you often feel unwell, tense muscles, sore joints, mental fatigue, and even gastrointestinal symptoms such as abdominal pain and diarrhea. What's more, some people lie in the windward when they are sweating, and there will be diseases such as facial paralysis. Even if you have a normal rest, you should not rest at the wind crossing. You'd better find a cooler place to rest. In an air-conditioned room for a long time, the temperature is too low, which makes the skin cold and leads to a large loss of water in the body. I woke up the next day with dizziness, no spirit and no appetite. Sometimes the nasal cavity is too dry and nosebleeds, or colds, and even causes bronchitis, pneumonia, gastroenteritis and other diseases. Some people like to eat a lot of cold food and drinks in summer, even iced food and drinks. Too many cold drinks will not only dilute gastric juice, but also stimulate gastric mucosa. Often drinking cold drinks will affect appetite and digestion, and will also cause local vasoconstriction due to excessive stimulation of gastrointestinal mucosa, leading to gastrointestinal ischemia, hypoxia and gastrointestinal dysfunction. If primary chronic gastritis or gastric cancer or duodenal ulcer, it is likely to cause acute attack, especially after eating cold drinks containing gas, which may lead to massive bleeding of gastric cancer and duodenal perforation, which is life-threatening. In addition, in patients with hypertension, coronary heart disease, cerebral arteriosclerosis and myocardial infarction, cold stimulation in summer will cause vasospasm, increase blood pressure and aggravate the condition. If the biliary tract is cold again, it will produce convulsions, so in hot weather, people who are too greedy for cold will relapse for patients with cholecystitis and gallstones. Therefore, when it is hot in summer, it is enough to drink more cold water or eat melons and fruits such as watermelons, which can cool off the heat without damaging health, and eating melons and fruits can also increase nutrition. Blowing electric fans in hot summer can enjoy the cool, but some people are too greedy and often rely on electric fans to enjoy the cool all night. As we all know, people enjoy the cool, drink cold drinks and blow electric fans in summer, which is also something that people can't live without in summer, but we must be measured, because any good thing may turn into a bad thing if it is excessive, especially the human body can't bear excessive stimulation. If it is not controlled, it will inevitably cause great harm to human health.

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