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Why We Should Drink Eight Glasses Of Water Each Day

by: MariaEsposito
Total views: 38 | Word Count: 333

Normally, approximately 2.5 litres of water is required daily for a fairly sedentary adult in a normal environment to replace the total loss of water that occurs though urine, faeces, skin and lungs.

To replace the water loss about 1 to 1.2 litres needs to be in drinks, (mainly water or cold herbal teas), 0.9 ml is taken though food and 0.3ml will be made by the body (oxidative metabolism).

Problems that arise from not drinking enough water is as follows.

1. Pulse rate and rectal temperature increases

2. Increase in respiration

3. Tingling and numbness of fingers and feet

4. Increase in concentration of the blood

5. Lessening of the blood volume and more difficult blood circulation

The difficulty and inadequacy of the circulation of blood under these conditions leads to:

1. breathing problems

2. gastro-intestinal upsets

3. nauseousness and loss of appetite

4. eventually difficulty in muscular movements and emotional instability

In a scientific study involving animals, the restriction of water gave rise to irritabliity and for some, bad temper.

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.

Sugar drinks

During physical activities lasting less than 90 minutes, water is generally the beverage of choice, however, the inclusion of small concentrations of carbohydrate (6%-8% carbohydrate) have been shown to better sustain power output over water alone during physical activities that produce fatigue in 60 minutes or longer.

About the Author

Maria has worked in alternative medicine as a nutrition consultant and reflexologist. She is qualified in therapeutic massage and sports injuries. Her speciality is the treatment of allergy. She can be contacted at london nutritionist

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