How Many Glasses of Water Should We Drink a Day?
Channel: NutritionFacts.org
Date: 2015-04-27

Based on the potential benefits of proper hydration such as reduced bladder cancer risk, how many cups of water should we strive to drink every day? 

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I’ve previously touched on the cognitive benefits of proper hydration here: Does a Drink Of Water Make Children Smarter? (http://nutritionfacts.org/video/does-a-drink-of-water-make-children-smarter/)

Surprised tea is hydrating? See my video Is Caffeinated Tea Dehydrating? (http://nutritionfacts.org/video/is-caffeinated-tea-dehydrating/)

Surprised that the 8-a-day rested on such flimsy evidence? Unfortunately so much of what we do in medicine has shaky underpinnings. That’s the impetus behind this concept of evidence-based medicine (what a concept!). Ironically, though, this new movement may itself undermine some of the most effective treatments. See Evidence-Based Medicine or Evidence-Biased? (http://nutritionfacts.org/video/evidence-based-medicine-or-evidence-biased/)

How else can we reduce our risk of bladder cancer? See Raw Broccoli and Bladder Cancer Survival (http://nutritionfacts.org/video/raw-broccoli-and-bladder-cancer-survival/).

What kind of water? I recommend tap water, which tends to be preferable from a chemical and microbial contamination standpoint. What about buying one of those fancy alkalinizing machines? See Alkaline Water: a Scam? (http://nutritionfacts.org/video/alkaline-water-a-scam/)

It’s so nice to have data on such a fundamental question. We have much to thank the Adventists for. You will see their studies cropping up frequently. See, for example, Plant-Based Diets and Diabetes (http://nutritionfacts.org/video/plant-based-diets-and-diabetes/).

Have a question for Dr. Greger about this video? Leave it in the comment section at http://nutritionfacts.org/video/how-many-glasses-of-water-should-we-drink-a-day and he'll try to answer it!

Image Credit: Traveller_40 via Flickr.

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