Views:3 Author:Site Editor Publish Time: 2021-06-15 Origin:Site
The only reason many people drink water is thirst, but thirst is a physiological reaction that is not synchronized with the lack of water in the body. When drinking water is thirsty, it is "passive drinking". As time goes by, the human body will be in a "potential" water shortage state for a long time. Drinking water frequently is positive drinking water, that is, drinking water on time does not have to wait for thirsty, which is beneficial to the body's metabolism.
A healthy adult needs about 2500 ml of water every day. The human body has three main sources of water: 50% drinking water, 40% food water and 10% body metabolized water. Adults generally drink 1500-1700 ml of water a day, and the daily drinking volume of the elderly can be controlled at about 1500 ml. In summer, excessive sweating can be increased accordingly.
Do not drink a lot of water when you are thirsty (drink more than 500ml of water at a time). Drink a small amount of water, about 200 ml each time.
Everyone's physical condition and living habits are different, so we should make a suitable drinking water schedule according to our own situation and stick to it.
Sleeping at night, not drinking water for a long time, combined with the body's physiological dehydration such as dominant and recessive sweating and urine formation, causes the body to be relatively dehydrated, blood viscosity increases, blood flow slows down, and metabolites are accumulated. In the body.
Drink a glass of water an hour before meals. The water can quickly enter the human blood and supplement the whole body. It can also make the digestive organs secrete a large amount of digestive juice and increase appetite.
Boil the water for 3 minutes at a suitable water temperature, and when it is naturally cooled to 20~25℃, it is not suitable to drink the water with too high or too low temperature. Hot water can easily burn the wound cavity, esophagus and gastric mucosa, and ice water can easily cause gastrointestinal cramps.
Untreated raw water may contain bacteria and organic compounds harmful to human health. Therefore, not drinking raw water should be a safety standard for drinking water.
The water is boiled or placed for too long after it is boiled, which will cause the aging of the water and increase the toxic substances in the water over time. Regular drinking of aging water will not only make the blood lose its ability to transfuse blood, but also have the potential to cause cancer. Experiments show that drinking boiled water that is naturally cooled and has a shelf life of no more than 6 hours is most beneficial to human health.
Nitrate in water repeatedly boiled in an electric water heater can be converted into nitrite, and the content of heavy metals in the water will also increase. Long-term drinking of this water will interfere with gastrointestinal function, causing diarrhea and bloating.
In the scorching summer, many people choose to drink ice water, or deliberately add ice in hot water to drink. In fact, ice water is not good for the function of the stomach. Drinking and warm water are more beneficial because it helps the body to absorb and use it, and it also helps the digestion of the stomach.
It is very easy to lose water in the body after exercise, so be sure to hydrate.