Water - a vital nutrient
Written on the 26 October 2013 by Peter
Water - a vital nutrient, Filtered Water Coolers
The human body can last weeks without food, but only days without water. The body is made up of 5575 per cent water. Water forms the basis of blood, digestive juices, urine and perspiration and is contained in lean muscle, fat and bones.
As the body can't store water, we need fresh supplies every day to make up for losses from lungs, skin, urine and faeces. The amount we need depends on our metabolism, the weather, the food we eat and our activity levels.
Facts about water in our bodies
Body water is higher in men than in women and falls in both with age.
Causes of dehydration include:
Are on a high protein diet
For water to reach toxic levels, you would have to consume many liters a day. Water intoxication is most common in people with particular diseases or mental illnesses (for example, in some cases of schizophrenia) and in infants who are fed infant formula that is too diluted.
Water and sports performance
Recommended daily fluids
Sources of fluid
Things to remember