Is diet soda dehydrating?

toph99

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Aug 25, 2000
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i don't know about diet,but i know anything with caffien(spelling?) is
 

Zucchini

Banned
Dec 10, 1999
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ah, yea i know about the caffine, but not all sodas have caffine right?? I just figured the sugar was also dehydrating since there was so much of it:p
 

Fireman

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May 18, 2000
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Repeat after me: "My body needs water. Not swill made in giant bath-tubs. Pure nourishing water." Hee hee jm.02
 

Gorgonzola

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Nov 22, 1999
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i dont feel dehydrated after drinking diet coke, and i practically live off the stuff.
 

AudiPorsche

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Nov 2, 2000
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Diet Pop is supposed to be worse for you because there are more chemicals in it that are bad for your intestinal track.
 

AndrewR

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Oct 9, 1999
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Not all sodas have caffeine but all colas do as far as I know unless they are caffeine-free. Caffeine is a diuretic, meaning it dehydrates you. I don't think high quantities of sugar have that effect, do they? I've never heard of that but the last time I took biology was in the 80's.

One interesting note for people, particularly men. You may want to reduce your caffeine intake since kidney stones can be caused by excessive caffeine in your diet. I read that this mainly applies to tea and coffee, but I am hedging my bets a little since I really don't fancy the idea of passing kidney stones. :Q

I do notice that I feel dehydrated after drinking a lot of diet soda and no water. Still no comparison with beer, however.
 

vi edit

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Oct 28, 1999
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The carbon dioxide in soda is also bad for you. It prohibits your blood from carrying the normal amount of oxygen that it should.
 

jAcKeL

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Aug 29, 2000
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i'm positive that breathing should fix the problem with not enough oxygen in ur blood...
 

vi edit

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Cross Country coach (also biology teacher) told us that that the CO^2 in pop would sometimes bind to the red blood cells instead of oxygen. Basically, the CO^2 would reduce the blood cells ability to carry oxygen.

It was this reason that our coach didn't want us drinking carbonated beverages at least 2 days before a meet.
 

kami

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Oct 9, 1999
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<< Diet Pop is supposed to be worse for you because there are more chemicals in it that are bad for your intestinal track. >>



continue drinking your 40-50 grams of pure sugar in each can of pop then...btw, sugar has been linked to heart disease. those things going around that aspartame is bad for you is all myths. Now if you took concentrated injections of aspartame, yes it would be harmful and toxic but the small amount in pop is harmless - even if you drank a couple cases/day.

funny how much fscking weight i dropped when I just cut out sugar.

as for dehydration, yes it will not hydrate you very well. your intestines have to filter out too much crap. the only way to hydrate yourself is water. I've made it habit to drink 1 gallon of water a day. keeps me healthy
 

ltk007

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Feb 24, 2000
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Its not the CO^2, its the carbon itself after its broken down and absorbed. That's what kills you when you inhale too much CO (carbon monoxide). The carbon bonds to the blood where the oxygen normally would, preventing you from getting all the oxygen your body needs.
 

jAcKeL

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Aug 29, 2000
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Now u've got me getting all technical... fact is that if there is a rise in the carbon dioxide in the blood, via the binding of the CO2 to hemoglobin in the blood... there is a formation of carbonic acid... this acid lowers the pH of the blood... very slightly but still significant enough to cause the hemoglobin to bind more oxygen... fact of the matter is that hemoglobin under normal circumstances only uses around 20% of its Oxygen carrying capability... so if needed... it can easily bind more oxygen to itself... this is the case when u exercise... the only difference is that the acid that is formed is lactic acid...

oops... this was in response to vi_edit

i'm just a slow typer guy i guess...
 

C'DaleRider

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Jan 13, 2000
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<< Cross Country coach (also biology teacher) told us that that the CO^2 in pop would sometimes bind to the red blood cells instead of oxygen. Basically, the CO^2 would reduce the blood cells ability to carry oxygen. >>


Unfortunately, what your coach failed to mention that CO2 is routinely carried by the RBCs in your body and is exchanged for O2 in the lungs. CO2 has NO &quot;special&quot; affinity for binding with RBCs over O2......basically, he's full of it. The only harm the CO2 would do to you is irritate your stomach lining if you have/are developing an ulcer. Possible there could be a slight alteration in your pH of your blood, but the buffering system in your body automatically stabilizes that.

Now, take carbon monoxide, or CO, that has a binding effect on the hemaglobin component of the RBC and will stay with the RBC until it dies.

As far as caffeine and dehydration in soda, caffeine is a mild diuretic, and the amount found in Coke, very small amts., is not enough to make your body get rid of all the water taken in when you drink a Coke, which is about 98% water. The &quot;fact&quot; that sodas dehydrate you is another fable. In fact, a new study just being published in the JAMA revisits just this issue....water vs. soda intake, and their conclusion was that soda, except for stuff like Jolt, can count as part of your dialy intake of water.

The sugar, which is in a fairly simple carbohydrate form in soda, is rapidly absorbed in the stomach and duodenum...the only danger this poses is if you are unable to process sugar well, ie. diabetic, or the danger of rotting your teeth out. Otherwise, it's just empty calories.

My knowledge bade? I'm an RN with over 20 years practicing.......have credentialing in critical care and ER. Have taken lots and lots of anatomy and physiology courses over the years, and I'm continually amazed at the hokum that's put out as fact.

Peace.
 

vi edit

Elite Member
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Oct 28, 1999
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Bah! Chemistry never was my strong point :p
...and that was 8 years ago :)
 

Str8UpKiller

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May 17, 2000
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So what's the deal with bodybuilders saying that pop is like the worst thing you can drink? Does it some how inhibit your ability to build muscle??