Posts Tagged ‘Water’

Water: Should you really drink 8 glasses a day?

May 31, 2011

Research shows that approximately 2.5 litres of water is required each day for a fairly sedentary adult in a normal environment to replace the total loss of water that occurs through urine, faeces, skin and lungs. To replace this water loss, about 1 to 1.2 litres needs to be in drinks (mainly water or cold herbal teas), 0.9 litres needs to be taken through food, and 0.3 litres (about 1 glass) can be made by the body.

If you don’t drink enough water, studies show that there may be an increase in pulse rate, an increase in respiration, tingling and numbness of fingers and feet, and a diminution of blood volume. All these bodily changes can cause difficult breathing, poor circulation, gastro-intestinal upsets, blood sugar swings, nutritional deficiencies, nausea, poor concentration, aches and pains and mood swings.

Because thirst begins after you are already mildly dehydrated, you shouldn’t wait until you are thirsty to begin hydrating. The message is simple: drink between 6 and 8 glasses of water a day normally, and more if you are exercising vigorously.

Source: Dr Marilyn Glenville E-News 31/5/11