More than half of our body weight consists of water. Because we lose part of that water every day, water is one of our primary necessities. A lot of drinking is therefore considered very healthy. But how much water do we need at least per day? Is drinking more water healthier and how harmful is drinking too little? How much water do we need at least per day? Is drinking more water healthier and how harmful is drinking too little? Having a full glass of water all the time.
Because we have 60 to 70 percent water, it is essential for all people. It is involved in all kinds of body processes such as breathing, heat regulation, digestion, blood pressure and the removal of waste.
Which health effects does water have, or rather: which are not?
Tips to drink more water. On average, an adult needs 2.8 liters of fluid per day. This amount depends, of course, on the circumstances and the activity. In the summer and in sports, your body loses more fluid and so you also need to drink more. Approximately 300 milliliters of the daily required amount comes from the body itself and is released by all kinds of body processes. Furthermore, a liter of fluid comes from our diet. We need to get the remaining one and a half liters in with liquor. That coffee, tea and alcohol are not allowed to be counted in this is another myth.
The fluid balance in the human body is strictly regulated by the brain. When you lose water, the salt concentration in your body increases. Your brain responds to this by secreting the antidiuretic hormone. This hormone, also called vasopressin, makes you feel thirsty and also ensures that your kidneys do not secrete water. Your urine will become more concentrated and you will be encouraged to start drinking to fill the fluid deficit. The feeling of thirst and the release of antidiuretic hormone already occur well before your body can really suffer from a lack of fluid. Normally, a healthy person always automatically drinks the amount that the body needs. In older people, the body thirsts less well. They therefore have to deal with drinking more consciously.
What happens in case of a shortage of water?
The first signs of a fluid loss of 1 to 2 percent of your body weight are headaches, lethargy, dizziness, nausea and dark colored urine. With a fluid loss of 3 to 4 percent, kidney stones easily develop and you may suffer from constipation. Muscle cramps and muscle pain can also occur in your arms and legs.
Fluid loss of 5 percent or more leads to palpitations and an accelerated heartbeat. With a moisture loss of between 5 and 10 percent, you become unconscious and you can only stay alive when you get a fluid infusion. If you lose between 10 and 20 percent of body weight of fluid, your blood will thicken so that blood circulation stops. This can not be survived. Tap water vs filtered water.
When you drink more than your body needs, the excess is automatically discharged. The urine is less concentrated and you urinate more. However, it can be harmful to drink a lot of water in a short time. Your blood gets diluted quickly and the body can not compensate it quickly enough. There is then acute hyponatremia (low sodium), also known as water poisoning. The body's cells can not handle this situation well and swell up. As a result, brain coma can develop as a result of a coma. In hyponatremia, it is important to reduce drinking water.
In healthy people the water balance is accurately regulated. Drinking a lot in a short time can disturb the water balance acutely. In some situations and in certain conditions, chronic disturbance of the water balance can occur.