Water health FAQ Frequently Asked Questions
The question library on water related issues
Our daily need of water is mainly covered through drinking. On a daily basis we need to drink about 1,5 - 2 litres of water. Foodstuffs that have high moisture contents also contribute to our water supply. With our food we absorb about 1 litre of water a day.
Water, after oxygen, is the second most important substance for human health. Water is a universal solvent and transport medium, and because of that it is the basis of all biological processes in the human body.
When the human body gives off water the amount of saliva in the mouth will decrease. When our salivary glands give off less saliva, our mouth will become drier. This dryness of the mouth is experienced as thirst.
A long time ago a group of people were shipwrecked, but they had been able to save themselves and now they were floating around on a raft that they had constructed out of wooden boards from the ship that came floating up to the surface. They had no food and no water and they were so far away from the main land that they had no hope of being discovered any time soon.
Various health effects and their causes are shown in this table:
For specific information on health effects of microrganisms, move to the water microbiology FAQ
Cryptosporidium is a parasite that is commonly found in lakes and rivers. It enters water supplies through sewage and animal waste. It causes cryptosporidiosis, a gastrointestinal disease, with people that suffer from damaged immune systems. The largest water systems are now entering a testing program in which they check their source water for Cryptosporidium each month.
For many uses, hard water does not cause any problems. Hard water is not damaging to your health either. In the domestic environment hard water is not very efficient for certain uses: for bathing, washing dishes and clothes, shaving, washing a car, etc.
Click here for information on general health effects of pollutants on organisms
Click here for the risks and health effects of outdoor swimming
In need of some dietary advise? Check out our new vitamin and mineral pages!
Feel free to contact us if you have any other questions