Why did I say from the beginning that drinking water is a necessity in our daily life? Because water is an important part of our life and a necessary substance for all life activities. It can maintain the normal metabolism in our body (a lot of biochemical metabolism in our body needs to be carried out in a liquid environment, and proper drinking water can make the biochemical metabolism in our body smoother), which is one of them; Secondly, drinking water can promote the discharge of many toxins, electrolytes and metabolic wastes in the human body; Thirdly, drinking water can keep the body temperature in a suitable constant range, which can help the human body to digest, excrete, maintain cell state, replenish blood volume and maintain normal blood pressure.
Sometimes we go to the hospital with a headache and brain fever, and the doctor often says you should drink more water. Are we made of water? Needless to say, experimental data have long confirmed that water can account for 60%-70% of our body weight, so this understanding is no problem, because this ratio is over half. On the one hand, the water we consume every day comes from drinking water, on the other hand, it comes from water in food and metabolic water.
Our human body needs to consume 2000-2500 ml of water every day. On this basis, after deducting the proportion of hidden water in eating and snacks, the direct drinking water should reach about 1500- 1800ml. If it is converted into the capacity (200-250ml) of daily drinking cups, it looks like 7-8 cups. If you don't feel well in the hospital and can't eat anything, the doctor will often prescribe a lot of liquid for you to hang in through the vein. This fluid volume is actually calculated by the doctor through the normal needs and losses of your body, not how much you have to make up. The amount of direct drinking water we need every day is about 1500- 1800ml. If you are engaged in outdoor manual labor, you have a lot of activities, sweat a lot, and breathe quickly, you should add more water appropriately.
Is there a difference between drinking tea and boiled water? Which is healthier?
We know how much water a normal person needs to supplement directly every day. Let's see how these waters are replenished to the human body. There are many kinds of carbonated drinks, fruit drinks and milk tea on the market. Although it tastes good, can it replace drinking water? No, ordinary people know it's unhealthy. So what are the healthy ways to drink water? In fact, drinking tea, boiled water, pure water and mineral water can be done. Some netizens said that I like drinking tea since I was a child and it has lasted for decades. Can you directly replace boiled water? I don't know if you feel this way. In fact, you urinate very quickly after drinking tea. This is because caffeine contained in tea has diuretic effect. What does diuretic mean? It can reduce the reabsorption of water by the kidneys and achieve the purpose of letting more urine out.
Some people still feel thirsty after drinking tea. If drinking tea completely replaces hydration, there may be a result that intake (intake) is less than output (discharge). In this regard, my opinion is that the water added by drinking tea is not equal to the water intake. My suggestion is that it has nothing to do with tea, and you can add some extra water (boiled water, purified water and mineral water) on this basis, which is perfect. In addition, I also have a small door to tell you that because caffeine is leached quickly in the brewing process, you can "pour out the first bubble" when making tea, which can effectively avoid a large intake of caffeine.
To sum up, we know that tea contains caffeine, which belongs to the exciting category, so people who suffer from insomnia or poor sleep should drink less; Caffeine can promote gastric acid secretion and increase gastric acid concentration. People with digestive tract ulcers should drink less. Tea contains polyphenols and tannic acid, which can combine with minerals in the diet and affect the absorption of iron and protein, so people with poor nutritional status should drink less tea, especially those with iron deficiency anemia. There are no special taboos in these aspects, so it doesn't matter whether you drink tea or boiled water. Just add some water when drinking tea. Both of them are for health and can be safely drunk.