Water is the biological need of the human body at the cellular level. It is difficult to give a definite and universal answer regarding how much water a person should drink per day in order to avoid dehydration. It all depends on the time of year and the natural area, but one thing can be firmly said without water a person can last only 3 to 10 days.
Such a spread in time is associated with the ambient air temperature and physical activity, as well as the psychological state of a person. The lack of water dramatically increases the feeling of thirst, but even worse its immoderate consumption, which can lead to severe swelling and death. In a deserted area, water is of paramount importance to humans. Even food is not so important for saving lives. Dehydration is deadly in both hot and cold weather. The opinion that the process of dehydration can only occur at high temperatures, when the body is struggling with overheating, is erroneous and dangerous..
Dehydration of the human body, symptoms and signs of dehydration, prevention of dehydration.
At low temperatures, water losses are very significant, not only due to increased sweating during intense physical exertion, but also because of the warm, constraining movement of clothes in which you have to do work.
from herbs or camel spines, the infusion from it perfectly quenches thirst. However, if the amount of water is limited, then salt will undoubtedly only do harm..
It should be remembered that thirst is the only signal that speaks of the body’s needs for water. However, in the initial stages of dehydration, thirst does not always occur, which is especially typical for areas with a cold climate. Nevertheless, only those people who don’t know how to find water where it would seem that it should not be at all, or use water that is completely unsuitable for drinking, can die of thirst.
Based on materials from the book Encyclopedia of Survival.
Chernysh I. V.