Survival by Water

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How much water do you really drink each day (not counting coffee or tea)?  I tend to think I drink more than I really do. Once I lined up eight bottles of water on the bench to see how much I actually drank (as we can forget if we keep filling up the same glass).  Turns out, if I'm not concentrating, it's about 3 bottles of water.

Water is a key part of our daily nutritional requirements to keep our system functioning.  Our bodies use water to help regulate our temperate, hydrate our cells and to help maintain organ function.

It is important to replace water every day.  We lose water through sweating, digestion and yes, breathing. As such we lose about 3 litres a day; we even lose water just by sitting on an international flight (about 1.5 litres).  We can go quite a few days without food, but only about 3 days without water (even then we may suffer some health impacts if we wait 3 days to take a drink).

We need to ensure we have a constant fresh supply as water.   Lack of water is the #1 trigger of daytime fatigue.  A mere 2% drop in body water can trigger fuzzy short-term memory, trouble with basic math, and difficulty focusing on the computer screen or on a printed page.  Drinking water also supports efforts to lose weight.

How much are you drinking each day? Do you prefer bottled or tap water?


References:

Dennis, E. A., Dengo, A. L., Comber, D. L., Flack, K. D., Savla, J., Davy, K. P., & Davy, B. M. (2010). Water consumption increases weight loss during a hypocaloric diet intervention in middle‐aged and older adults. Obesity, 18(2), 300-307.

Dupont, D., & Krupnick, A. (2010). Differences in water consumption choices in Canada: the role of socio-demographics, experiences, and perceptions of health risks. Journal of water and health, 8(4), 671-686.