Although everyone can drink water, how to drink water is "scientific"?
Drinking water plays an important role in "healthy diet", and the quantity, time and method of drinking water every day are arranged "scientifically" according to the physiological requirements of the human body. This has a lot to do with human health.
People usually drink water according to whether they are thirsty, which is unreasonable. Because thirst means that human body's water is out of balance, human cells have been dehydrated to a certain extent, and the central nervous system sends a signal to replenish water. Drinking water when you are thirsty is equivalent to cracking the soil, which is not conducive to the growth of plants.
Drink water on an empty stomach before meals.
Average daily water consumption of human body (through respiratory tract, urine and skin, etc. ) It's about 2500 ml. In addition to 300 ml of raw water that can be metabolized and oxidized by substances in the body, at least 2200 ml should be supplemented from the diet every day to achieve balance.
How should this 2200 ml of water be scientifically added to the human body?
To put it simply: drink water on an empty stomach before meals, and drink soup and water while eating.
Drinking water on an empty stomach before meals means drinking a certain amount of water about an hour before breakfast, lunch and dinner. Because the digestion of food is completed by the digestive juice of digestive organs. The total amount of digestive juice (saliva, gastric juice, bile, pancreatic juice and intestinal juice) secreted every day is about 8000 ml. Drink water on an empty stomach before meals. Water stays in the stomach for only 2 to 3 minutes, then quickly enters the small intestine and is absorbed into the blood. It can replenish the tissues and cells of the whole body in about an hour to supply the water demand in the body.
Therefore, drinking water before meals can ensure the necessary and sufficient secretion of digestive juice to promote appetite and help digestion and absorption, while not affecting the physiological water content of tissues and cells.
Therefore, it is important to replenish water before meals. Especially before breakfast, the human body loses more water due to long sleep. It is very important to drink more water when you wake up in the morning.
Warm water should be drunk on an empty stomach.
Warm water should be used for drinking on an empty stomach, and light drinks such as fruit juice, light tea and vegetable juice can also be used. Milk, soybean milk, eggs and other supplementary nutrition should not be eaten on an empty stomach, but should be eaten at or after meals. When sweating in hot weather, increase the amount of drinking water; After sweating a lot, you should add some extremely light salt water.