Myths to dispel: is drinking too much water bad for you?

Myths to dispel: is drinking too much water bad for you?

Drinking water is good for you, but drinking too much water poses some health risks, especially for those with certain types of medical conditions.

What we are sure of is that the water introduced with food and drinks is an essential nutrient since it is a source of mineral salts and is involved in very important functions for our body such as:excess water can lead to overhydrationthe regulation of cell volume and body temperature, promote digestive processes, play an important role in diluting the substances ingested orally, make it possible to transport nutrients, promote the removal of metabolic waste. Water is undoubtedly the main component of our body, so the quantity of water must be kept constant or possibly undergo minimal variations. Conversely, there may be damage due to both an excess of water , as in the case of overhydration , and an insufficient amount of the body which can cause dehydration. So drinking water is therefore good, but not for everyone in the same way and not always. The ideal would be to balance the income and expenses, keeping the quantity of water constant and thus reaching the right water balance essential for the body.

Maintain water balance

Specifically, the water exits are represented by sweat, water vapor from the mouth, feces and urine. Much also depends on the temperature, both the body and the ambient temperature: this is why in summer you need to drink more, an increase in body temperature of 2 ° C increases evaporation by 50% and the increase in the external temperature from 24 to 31 ° C doubles the loss of water through perspiratio (water vapor and sweat). The mechanism of thirst , regulated by the hypothalamus, together with the reabsorption of water in the kidneys allows to maintain the body’s water balance. Thirst regulates the amount of water to be ingested, but often occurs only when the loss of water has already been such as to cause the first negative effects.

The intake of water can take place at any time of the day, in response to the sense of thirst and it is good to remember that there is not only water in the glass or bottle, but we introduce water into our body even by eating since the water is also contained in food, particularly in fruit and vegetables, which we must not do without.

The mistake: drinking too much to lose weight

It is often thought that drinking a lot is good for you and helps you lose weight. Undoubtedly, if you drink a lot, you get less fat, but simply because you fill your stomach with water and take away the sense of hunger, which leads to less calories.if the individual is unhealthy, drinking excess water is counterproductiveHowever, the “ drink a lot and lose weight ” assumption is fine for someone who is simply overweight but is in excellent overall health. Usually, however, the obese subject also has other related pathologies and is often cardiopathic, diabetic or suffers from renal insufficiency, in these cases drinking a lot can also prove counterproductive , since introducing a lot of water into the body involves an overload of liquids on the heart, lungs and kidneys, and lowers sodium in the blood. It is therefore not the case to tell everyone without distinction that drinking a lot is good for health.

Furthermore, despite what one might think, it is not always true that drinking a lot eliminates water retention . Those who have this problem should avoid accumulating excessive quantities of water, on the contrary they should stay, when possible, with their legs slightly raised, drink when they feel thirsty and therefore when their body requires it and, instead of gorging themselves of excess water, you should include in your diet those diuretic and draining foods such as pineapple, fennel, raw onions, cucumbers, and consume as little salt as possible .

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