Our bodies need about two litres of fluids per day, not two litres of water specifically. In an editorial in the issue of Australian and New Zealand Journal of Public Health, Spero Tsindos from La Trobe University, examined why we consume so much water.
Tsindos believes that encouraging people to drink more water is driven by vested interests, rather than a need for better health. "Thirty years ago you didn't see a plastic water bottle anywhere, now they appear as fashion accessories."
"As tokens of instant gratification and symbolism, the very bottle itself is seen as cool and hip," said Tsindos. He also discusses the role of water in our constant quest for weight loss. "Drinking large amounts of water does not alone cause weight loss. A low-calorie diet is also required."
"Research has also revealed that water in food eaten has a greater benefit in weight reduction than avoiding foods altogether. We should be telling people that beverages like tea and coffee contribute to a person's fluid needs and despite their caffeine content, do not lead to dehydration."
(EurekAlert, June 2012)