Is drinking cold water to quench thirst in summer?

　　Is drinking cold water to quench thirst in summer?

　　The sun is scorching in midsummer and people will sweat a lot even if they are not active. In this case, many people just drink cold water or cold drinks, thinking that is the most enjoyable and best way to quench their thirst. In fact, when people sweat a lot and feel very thirsty, they will drink cold water or cold drinks desperately. As a result, they will only become thirstier as they drink, causing reflex sweating, causing the body to lose more water, which is harmful to the body. healthy The harm is great.

　　Excessive sweating can also lead to a lack of salt in the body, causing heat cramps, which is life-threatening.

　　The correct approach is to develop the habit of drinking warm water and try to drink less or no cold water or cold drinks.

　　According to research by scientists, infrared temperature recorders were used to measure the temperature of two volunteers who drank warm drinks and cold drinks in a hot climate. skin Measurements have shown that warm drinks can lower the skin temperature by 1°C to 2°C, while cold drinks can only make the area around the mouth colder. At the same time, the self-feelings of the two groups were different. Those who drank warm drinks felt cool and comfortable, and their thirst was completely eliminated. ； Those who use cold drinks will feel uncomfortable all over the body, and the thirst will come back again.

　　Warm water molecules that are close to body temperature can enter the intestinal wall quickly and neatly, so they can quench thirst. In addition, drinking warm drinks and sweating can take away part of the body's heat, so drinking water is not harmful to the body. On the contrary, cold drinks absorb a lot of heat from the mouth and intestines and stomach, and the internal organs are suddenly cold, which may affect the digestive function at best, and cause gastric cramps and diarrhea . Therefore, it is better to drink warm drinks in midsummer.