Water is more than 60% of the weight of an adult human, so it could be assumed in advance that water is never too much. In reality, however, it is different – what is too much, not healthy. 

Excessive water consumption can lead to a harmful condition called conduction. It does not only come under the influence of excessive water consumption. Sometimes the reason for this is the malfunctioning of the thirst center that regulates the water content in the body or the abnormal functioning of the urinary tract. The body’s balance disrupts not only the excess of consumed fluids, but also the disease. Symptoms may be edema. The amount of urine produced and the proper functioning of the thirst center are processes that regulate the body’s water content. Depending on the concentration of sodium, we distinguish three types of isotonic, hypertonic and hypotonic conductivity. 


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Isotonic conduction 

In the course of isotonic conduction, the content of sodium in the body increases and the volume of extracellular fluid increases, which leads to the appearance of edema. Among the factors potentially leading to isotonic guidance can be mentioned 

– cirrhosis 

– heart failure 

– nephrotic syndrome and renal failure 

Depending on which mechanism becomes dominant, the origin of edema is defined as hepatic or cardiac or renal. 

Hypertonic presumption 

Hypertonic conduction proceeds with increased molality (substance concentration in solution), i.e. with hypernatremia, for example in the case of supply of too much hypertonic fluids or due to impaired renal function, despite the adoption of a rational amount of highly mineralized fluids (isotonic fluids), the body does not advise with maintaining the correct level of electrolytes. 

In this case, the hypertonic extracellular fluid transports the water from the cells (intracellular fluid) into the extracellular space to compensate for the level of electrolytes, which leads to cell dehydration and extracellular space to form edema. 

Hypotonic prescription, or water intoxication 

Water intoxication is caused by impaired renal water excretion due to insufficiency. It runs with reduced sodium molarity, i.e. with hyponatremia. Another cause of hypotonic hypoxia is excessive secretion of vasopressin, the hormone responsible for the resorption of water and sodium. Water intoxication can be very dangerous because it can lead to peripheral edema, cerebral edema and body cavities. 

Risk of conduction 

Conduction is very rarely caused only by excessive fluid intake. Typically, such cases apply to athletes consuming too much water. People who experience excessive dry mouth and eat excessive amounts of water are also at risk of conduction. When the heart, kidneys, liver and pituitary function properly, the risk of organism is very low. 

Ailments proving the presidency 

The symptoms of water retention in the body at an early stage include ailments such as nausea and vomiting, headaches and swelling. Swelling caused by conduction is located mainly in the region of the shins and ankles and in the sacro-lumbar area. The conduct also leads to an increase in blood pressure. In extreme cases, there is pulmonary edema requiring immediate hospitalization. 

Conduction is very harmful to the brain. If it develops slowly, brain cells can gradually adapt to changed conditions. However, dynamically developing conduction may lead to serious disturbances of the nervous system and disturbing ailments (eg convulsions, hyperthermia, coma). 


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