Water is needed by all the cells and organs in the body in order for them to function properly. It is also used to lubricate the joints, protect the spinal cord and other sensitive tissues, regulate body temperature and assist the passage of food through the intestines. 

Although some of the water required by the body is obtained through foods with a high water content – soups, tomatoes, oranges – the majority is gained through drinking water and other beverages.

During normal everyday functioning, water is lost by the body, and this needs to be replaced. It is noticeable that we lose water through activities such as sweating and urination, but water is even lost when breathing.

Drinking water, be it from the tap or a bottle, is the best source of fluid for the body. Beverages such as milk and juices are also decent sources of water, but beverages containing alcohol and caffeine, such as soft drinks, coffee and beer, are less than ideal due to having diuretic properties, meaning that they cause the body to release water.

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