Why We Should Drink Eight Glasses Of Water Each Day
Author: MariaEsposito Total views: 9 Word Count: 339
Around about 2.5 litres of water is required on a daily basis for an adult to replace fluid losses that occur through the feces, urine, skin and lungs.
This water loss needs to be replaced. One litre or so needs to be as water or other non dehydrating fluids such as cold herbal teas. A little under a litre will come from food intake. The body also makes about 300ml through its own oxidative metabolic processes.
Problems that arise from not drinking enough water is as follows.
1. Increase in pulse rate and in rectal temperature
2. Respiration rate goes up
3. Tingling and numbness of fingers and feet
4. Blood concentration increases
5. Reduced blood volume and more difficult circulation of the blood
The difficulty and problems of the blood circulation under such conditions leads to:
1. breathing problems
2. gastro-intestinal upsets
3. feelings of sickness and not wanting to eat
4. if it continues, muscular and emotional problems
In an animal study, where water was restricted the animals were highly irritable and in some cases bad tempered.
Thirst
Under a great deal of physical activity it has been demonstrated that a man will only choose to drink half of the water intake needed to replace losses from sweat and urine. It takes a period of rest and a meal for the cravings for water to return to replace losses.
Hot Drinks
After drinking hot liquids, the internal temperature of the body rises, resulting in sweating. This cools the body down. This is sometimes used in the practice of medicine when an increase in body temperature is required for a short time, or whether sweating is required. So it is preferable to choose cool or cold drinks rather than hot ones to replace fluid losses, particularly if hot drinks are the only types of drinks that are normally chosen.
Drinks containing sugar
During periods of physical activity that last under an hour and a half, water is the preferred choice. However drinks that contain a small amount of carbohydrate can sustain power better than water alone during activities that would create fatigue in an hour or longer.
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About the Author
For a fuller version of this article please go to the alternative medicine website. Maria is a london nutritionist who specialises in the treatment of allergies. She has worked in the complementary medical field for over a decade.
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