How much water do we lose by breathing?

About consuming fruits; fresh, dried or juiced.
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panacea
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How much water do we lose by breathing?

Post by panacea »

I'm trying to figure out how much water is lost by breathing per day on average (assuming relaxed breathing and not exercise breathing).
Google has conflicting results, some say 2 litres, some half a liter.

@RRM or Oscar,
Do you know if replacing orange juice with fresh squeezed (hurom slow juicer) banana, grape, apple, or other fruit juices besides orange-varieties would satisfy roughly the same nutritional categories as orange juice?
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RRM
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Re: How much water do we lose by breathing?

Post by RRM »

panacea wrote:I'm trying to figure out how much water is lost by breathing per day on average (assuming relaxed breathing and not exercise breathing).
Google has conflicting results, some say 2 litres, some half a liter.
Thats not conflicting info, but more likely a natural range.
Do you know if replacing orange juice with fresh squeezed (hurom slow juicer) banana, grape, apple, or other fruit juices besides orange-varieties would satisfy roughly the same nutritional categories as orange juice?
That depends on what fruits you take.
Apples, for example, are relatively low in vitamins.
You can easily compare results by using the calculator.
Here are good combinations listed: http://www.freeacnebook.com/40-44.htm
panacea
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Re: How much water do we lose by breathing?

Post by panacea »

http://advan.physiology.org/content/29/ ... nsion.html

can you figure out how to read this table? is it saying the person lost 103.90 g of water during 6 hour of sleep (that means 0.1039 liter of water lost in 6 hours) or is it saying 0.1039 liter lost per hour of the 6 hour sleep?

The first obviously suggests .5 liter of water is lost per day by relaxed breathing
also, is it saying that during sleep, even without sweating, the skin evaporates moisture?
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RRM
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Re: How much water do we lose by breathing?

Post by RRM »

panacea wrote:is it saying the person lost 103.90 g of water during 6 hour of sleep
Yes.
is it saying that during sleep, even without sweating, the skin evaporates moisture?
Yes, and by breathing.
Its correct in my experience, as even without sweating, i dont need to urinate while at work,
while consuming about 3 L of juice during this time.
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