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Do you need to drink 2 liters of water each day
Actually I should drink more water - Useful Tips. Who now always has a bottle of water with it to work, to school or actually always? I think a lot of you can say yes to this. Drinking enough water is healthy and we all drink too little water is often told. But is this actually true? Who has thought that drinking 2 liters of water a day is healthy? Is there scientific research that supports this? Is it really healthy to drink 2 liters of water or can it be harmful? In this article my surprising search for the answers to these questions!
Where does that 2 liter drink come from?
Water with minerals is better than just tap water. Actually, nobody knows exactly where the myth of drinking 2 liters of water per day comes from. The first time it appears in a directive is in the guideline of the National Research Council from the United States (the Nutrition Center of the United States). It said: "An amount of 2.5 liters of water per day per adult is recommended in most circumstances. This amounts to an average of 1 ml of water per calorie intake. However, much of the moisture required is already in prepared foods. "The final 2 liter is probably from the once-leading nutritionist Frederick J. Stare from 1970. He advised every adult to drink at least 6-8 glasses a day. However, this statement was not substantiated by him with scientific experiments. In the 1990s, however, the 2 liter water rule has consistently appeared in a lot of dietary guidelines. That people have started drinking more after entering these guidelines has been proven.
Is there evidence for the healthy effects of drinking 2 liters of water per day?
In a study among pupils and students in the Netherlands, it emerged that about 50% always had a bottle of water, but that only 5% of them also drank 2 liters of water a day. 12 Ultimate water with fruit combinations. Here too, there were many arguments for drinking plenty of water: "Good for beautiful skin.", "It is good to flush the body.", "You fall off", "If you are thirsty, you are too late. " Does it make sense to drink water after eating fruit.
Drinking plenty of water is good for the skin
In a German study, scientists examined this statement. They gave 93 subjects 2 weeks long either 2.25 liters of tap water or spring water per day and then looked at the thickness of the skin, the pH of the skin, what the skin and the cells of the skin looked like. They found that drinking more water does affect the thickness of the skin, but not the pH or what the skin looked like. So they did not see fewer wrinkles or imperfections, for example. Now 2 weeks of drinking a lot of water is perhaps a bit short to conclude this. Hopefully there will be studies in the future that will take longer to really investigate an effect on, for example, wrinkles.
You fall away from it
Drinking a lot of water would, according to some, make you fuller and make sure you eat less during the day. Up to now, a number of small studies have been conducted into the effect of drinking water and caloric intake. In a 2009 study, people with obesity were offered a diet where they had to drink 500 ml of water for each meal. This did lead to a slightly lower calorie intake compared to the amount of calories that people ate when they did not drink 500 ml of water in advance. Drinking water therefore seems to give a somewhat fuller feeling. This study has been done in people with already overweight and between 55 and 75 years. More studies will have to be done to see if drinking water could also prevent obesity, for example.
Drinking plenty of water cleanses your body
The kidneys are the filters of the body and ensure that waste substances and substances that you have to excess are excreted via the urine. To filter everything properly, your kidneys need water. Under normal circumstances, the kidneys need at least 500 ml of water to properly excrete all these wastes. If you start to sweat or lose a lot of water in other ways (with diarrhea, for example) you can easily lose 1.5 liters or more water. In these situations, more water must be drunk to compensate for this loss to a minimum of 500 ml for the kidneys.
If you are thirsty you are already too late
Frederick J. Stare, the nutritionist from 1970, also indicated in one of his books that you should drink enough, because if you are thirsty you are already too late. You can still hear this statement often, but is that true? I can answer with certainty: "that is not true!" In a study that looked at the feeling of thirst and dehydration, it was found that thirst is present much earlier than dehydration. The feeling of thirst is actually a protective measure of the body. When thirsty you want to drink and prevent dehydration and it is not that you are already dehydrated!
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