Water regulates our body temperature, not just when we sweat in the summer. Drinking too little water affects our body organs – each one of them. In addition, we need sufficient fluid for the brain, mucous membranes, digestion and kidneys. Our skin also benefits from drinking water - making it more beautiful and pure.
Drinking water: how much is enough?
How much water do we need now? One, two or three liters? The well-known recommendation: Between 1.5 and two liters of water a day. However, some doctors disagree with this recommendation.
An adult takes an average of two liters of water a day. About 0.7 liters of it are supplied through food alone. You should actively drink about two liters of water- and only if you are thirsty.
Here is another error: many believe that one has to drink before even feeling thirsty. So the body should be constantly supplied with sufficient fluid. However, there is nothing wrong with this argument, explains nutritionist Uwe Knop at Spiegel Online: "Thirst is a signal from the body. He wants to say: I need water now, not sooner and not later. "
This does not necessarily apply to infants and the elderly - they often have problems with their thirst. With them it makes sense to make sure that they drink enough.
Where does the “two-liter-rule“ come from?
As a rule, one should drink only when one is thirsty. But where does the "two-liter rule" come from? Many doctors explain that it's the clever marketing of large water producers who stand behind it.
"Nestle, Danone, Coca Cola, Pepsi are working with nutritionists, health experts, and teachers to promote their 'healthy water drinking' version," said environmentalist Maude Barlow.
Because schoolchildren allegedly drink too little, there is, for example, the campaign "Drinking in the classroom". Behind it is the Association of Mineral waters. Coca Cola provides apparently reputable tables and articles with exaggerated dehydration information. With its own water brands Apollinaris and Bonaqua, the group benefits from the fear of dehydration.
Pay attention to this when drinking water
You should avoid water from plastic bottles.
Instead of forcing yourself to drink, rely on your thirst urge. If possible, do not drink any water purchased in plastic bottles. It is much better if you drink tap water in the countries where the tap water is of good quality. So you can do something good for you, save money and avoid plastic waste and long transport routes for bottled water.
When you want to go somewhere, you can easily take a bottle with you to refill. If you find yourself in countries where tap water can be consumed, check at different stations shops and restaurants, where you can refill your bottle.
Can it happen that you drink too much water?
It is possible to drink too much. You should not overdrink, because at a certain level, when it is taken in large quantities, water dilutes blood salts (electrolytes) and, in rare cases, it can even lead to water poisoning.