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Why do Chinese people like hot water?

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From drinking tea, decocting medicine and drinking water to soaking feet and hot sauna, hot water can be seen everywhere in life. It is a part of Chinese people's living habits and a magic weapon of Chinese health culture.

Drinking hot water has a history of thousands of years in China. In the 5th century B.C., the Yellow Emperor's Internal Classic had a record of "soup for the treatment of illness", Mencius also had the expression "soup for the winter", Shuowen Jiezi said "soup, hot fire", and here "soup" said hot water. Thereafter, hot water evolved into many "patterns", of which tea is widely known. There are many words of "cooking tea" in the classics of Han Dynasty. Drinking tea must be cooked and boiling water is indispensable. In addition to drinking hot water, Chinese people are also good at soaking in hot water, foot soaking, hot compress and so on. Jin Dynasty's "Elbow Reserve Prescription" has the earliest record of foot soaking. Emperor Qianlong, the longest-lived emperor in history, summed up the foot health preservation method as "300 steps in the morning, a pot of soup in the evening". This "soup" refers to foot soaking.

Unlike Chinese hot water, Westerners seem to be less keen on hot water. Chinese Nicole Liu once wrote in the Los Angeles Times that tap water in Europe and the United States is usually drinkable directly, and some people even like to add ice to the water. When dining abroad, the waiter will bring a glass of ice water instead of a cup of hot tea. Jiang Liangduo, chief expert of Dongzhimen Hospital, Beijing University of Traditional Chinese Medicine, told reporters that most hotels outside China do not have boiled water for drinking and do not provide related equipment, so he always brings his own electric kettle when he goes abroad.

Why are there so many differences in attitudes towards hot water at home and abroad? Li Fangling, director of the Department of Traditional Chinese Medicine of Beijing Geriatric Hospital, told reporters that, on the one hand, China has been mainly farming since ancient times, because the calories provided by cereals are insufficient, compared with western people who mainly eat meat, our ability to store calories in our bodies is low, so we prefer to eat more; on the other hand, for the sake of the safety and health of drinking water. Considering that after the founding of New China, the government strongly encouraged and promoted drinking boiled water. Almost all people have the consciousness of "drinking boiled water without diarrhea". The relevant literature also points out that the development of pottery in China is much earlier than that in the West. Chinese ancestors knew how to use pottery and cookers to boil water, so they would have a good habit of drinking boiled water and soaking their feet.

Drinking hot water has eight benefits

1. Promote blood circulation. The warm and hot action of water can expand human blood vessels and speed up blood flow, thus promoting the whole body blood circulation and achieving the effect of warming up the sun. Studies have shown that a healthy person soaks his feet in water at 40 ~45 C for half an hour, and his blood flow increases by 10~18 times.

2. Accelerate metabolism. Warm-heat action can stimulate the secretion of human hormones, such as thyroid and adrenaline, so as to improve the body's metabolic capacity, so that garbage and toxins in the body can be better discharged from the body. Li Fangling said that, especially when the skin temperature increases and the body sweats slightly, it is more conducive to the release of toxins.

3. Consumption of body heat. A hot bath can relax the body and mind, restore muscle elasticity, and consume a lot of calories. A new study from the University of Loughborough found that taking a bath for an hour consumes as much calories as walking for half an hour. Regular hot baths also help prevent diabetes.

4. Enhance respiratory function. Drinking boiled water can relieve the tension of respiratory mucosa, promote sputum cough, and is very effective for cough caused by cold. In addition, inhaling water vapor is conducive to keeping oral and nasal mucosa moist, not only to prevent the invasion of cold virus, but also to help clear lung mucus.

5. Eliminate brain fatigue. When a certain amount of "sediment" accumulates in the body, people feel tired. Li Fangling said that hot bathing and drinking boiled water can accelerate blood circulation, reduce fatigued substances in the blood, improve the blood supply of the brain, and inhibit the excitement of the central nervous system in the cerebral cortex, so that the brain is in a resting state.

6. Relieving local pain. The traditional Chinese medicine holds that "warmth leads to Tong, but general does not lead to pain". Hot compress can increase blood supply of injured tissue and relieve local pain. For example, when dysmenorrhea can be hot compressed with towels, can play the role of promoting blood circulation and removing blood stasis, regulating qi and relieving pain.

7. Reduce the incidence of disease. Foot soaking has health effects on all organs of the body. Foot Sanyin is related to liver, spleen and kidney, while Foot Sanyang is related to gallbladder, bladder and stomach. It is beneficial to invigorate the whole body and prevent diseases by strengthening the circulation of Qi and blood in feet by warming up heat.

8. Improving communicative competence. Albert Einstein Medical College in the United States has found that bathing in water at 39 degrees Celsius can improve the communication ability of autistic patients. People living in milder environments also have better communication skills, more active immune system and stronger resistance to disease.

Hot water is good, but it should be moderate.

Health preservation in traditional Chinese medicine pays attention to "degree", which is too much. Drinking boiled water and soaking feet have certain health benefits, but we should also pay attention to scientific methods.

40 C water is the most suitable temperature. The temperature of drinking hot water should not be too high. The best temperature of boiling water is about 40 C. It will not over stimulate the gastrointestinal tract, and it is not easy to cause vasoconstriction. Avoid drinking repeatedly boiled water, so as to avoid intake of toxic nitrite, even if using a water dispenser, it is best to "drink as you like". Normal people consume at least 1200 milliliters of water a day, while patients with diabetes and renal impairment need to be determined according to their condition.

The best way to nourish the kidney is to soak your feet at 9 p.m. At 9 p.m., the Qi and blood of the kidney meridian are weaker. At this time, soaking feet can nourish the kidney and clear the liver. Jiang Liangduo said that the water temperature should be 40 to 45 degrees Celsius and feel warm and comfortable. The amount of water should submerge the ankle and soak for 10 to 15 minutes until the whole body is slightly hot and begins to sweat. When soaking your feet, you can also use gauze to wrap 15 to 20 grams of pepper into the water and massage your feet slowly with your hands. After soaking, wipe it with a towel immediately. Pay attention to foot warmth. Don't get cold any more. Patients with cardiac insufficiency, severe lower extremity vascular disease, unstable blood pressure, foot inflammation should be cautiously soaked in hot water or under the guidance of doctors.

Take a bath once or twice a week. Bathing should not be too frequent. It is advisable to take baths once or twice a week. Fresh grapefruit peel can be immersed in hot bath water for 15 minutes, and then bathed at a temperature similar to body temperature. When bathing, once there are chest tightness, asthma and other discomfort symptoms, should immediately stop, and to the vent to sit and rest, drink a little warm water, until the symptoms relieve.

Change the hot towel in 15 minutes. Hot compress is a good health care treatment. When local pain occurs, the clean towel can be soaked in hot water at 40 ~45 ~C, twisted and dried and applied to the affected area. The towel can be replaced every 5 minutes. The hot compress lasts for 15~20 minutes. If abdominal pain caused by dysmenorrhea is not alleviated after 10 minutes of hot compress, it should be stopped and timely medical treatment.

Simple eye fumigation for 5 minutes. If you use excessive eyes, you can use fumigation to make a "sauna" for your eyes. Place hot water or hot tea under your eyes and moisturize them with steam for about 5 minutes. It should be noted that hot water containers should not be too close to the eyes, so as not to burn, eyes feel warm and comfortable.