No, caffeine does NOT dehydrate you. Really.

We’re constantly being preached at to not drink caffeinated drinks as they will dehydrate us. Totally not so. And that’s according to the UC Berkeley Wellness Letter, among others.

Caffeine promotes urination - briefly. But you don’t end up with a net loss of water from drinking caffeinated beverages.

In a study from the University of Nebraska Medical Center a decade ago, they took a group of healthy adults and looked at their hydration status - and whether they were or were not using caffeinated drinks like coffee.

The people all showed the same hydration status whether they were drinking water, coffee and tea, or fruit juice. No difference.

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The physics of water under low gravity

This airplane is also referred to as the ‘vomit comet’ … fun huh?

Water as luxury and what can be done about it

Drink 'green' and save money, too

You’ve certainly noticed those ubiquitous plastic water bottles everywhere, including the sides of our roadways and littering the site of almost every public event venue. Every time I see people carting them around, I really think our education system is totally broken. Bottled water costs approximately $8.00 per gallon, and requires over three gallons of water to make each gallon - due to losses from the extensive filtration systems.

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Take the gallon challenge: indoor use

We used to play pretty fast and loose with water when we were on a flat rate with the water company, but know that we’re being charged by the gallon, we are far more aware of wasting water. Friends of mine, over in Germany, actually have a water meter right in the kitchen or bathroom. Let me tell you, they are really freaky about it. Run the dishwasher only when full - 2 gallons
Not leave water running while rinsing dishes - 5 gallons
Turn off water while brushing teeth (twice daily) - 8 gallons
Shorten showers by 2 minutes (once daily) - 5 gallons
Fill the bathtub half full while bathing - 18 gallons
Not use the toilet as a wastebasket (once daily) - 1.6 gallons
Wash only full loads of clothes - 15 gallons
Fix a leaky faucet - 15 gallons
Fix a leaky toilet - 30 gallons
Install aerators with flow restrictors on kitchen/bathroom faucets (3) - 14 gallons
Purchase a new, more efficient clothes washer - 10 gallons
Replace old, non-efficient toilet with new low-flush toilet (4 flushes daily) - 8 gallons