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Thread: Soda no substitute for water. Really?

  1. #1 Soda no substitute for water. Really? 
    Forum Ph.D. Raziell's Avatar
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    I hear you should drink 2 litres of water everyday. And that soda isnt a substitute, is that really so?

    May be a stupid question but why does it matter? They are both liquid.

    Lets take the following scenario: A plane crashes on an island. There are two survivors, Jack and Michael. Jack got 100 litres of water, Michael got 100 litres of Coca-Cola. They are both in equally good health.

    Will Michael die before the rescue team arrives if the water is barely enough to keep Jack alive untill that time?

    Same goes for anything really. Take orange juice, milk, coffee etc. Why is pure water so important?


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    Moderator Moderator Janus's Avatar
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    Quote Originally Posted by Raziell View Post
    I hear you should drink 2 litres of water everyday. And that soda isnt a substitute, is that really so?

    May be a stupid question but why does it matter? They are both liquid.

    Lets take the following scenario: A plane crashes on an island. There are two survivors, Jack and Michael. Jack got 100 litres of water, Michael got 100 litres of Coca-Cola. They are both in equally good health.

    Will Michael die before the rescue team arrives if the water is barely enough to keep Jack alive untill that time?
    If it is a non-diet Coke, the sugar does interfere with the water absorption, so there could be a problem.

    Same goes for anything really. Take orange juice, milk, coffee etc. Why is pure water so important?
    The same for orange juice, and milk. The only advantage of the last two are the other nutrients they provide, but you still would need to drink more to get the same amount of water into your system. Coffee is definitely a bad idea as it acts as a diuretic, which means it causes your kidneys to pull more water out of the blood, meaning that you'll end up literally pissing your water away.

    Gram for Gram, water is the best for keeping you hydrated


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    Forum Professor pyoko's Avatar
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    The whole "8 cups a day" is misleading, because that includes the water you get from food. People assume you have to drink that much, and you don't.
    It is by will alone I set my mind in motion.
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    Brassica oleracea Strange's Avatar
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    You probably need to take in 1 or 2 litres of water a day. But nearly all of this comes from the food you eat. The idea that you need to drink 2 litres of water is a myth. The idea that it must be water and not tea, coffee or soda is also a myth.

    snopes.com: Eight Glasses of Water a Day
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    Administrator KALSTER's Avatar
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    Disclaimer: I do not declare myself to be an expert on ANY subject. If I state something as fact that is obviously wrong, please don't hesitate to correct me. I welcome such corrections in an attempt to be as truthful and accurate as possible.

    "Gullibility kills" - Carl Sagan
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  7. #6  
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    Quote Originally Posted by Janus View Post
    Coffee is definitely a bad idea as it acts as a diuretic, which means it causes your kidneys to pull more water out of the blood, meaning that you'll end up literally pissing your water away.
    Buzz or bunk? 5 coffee myths - TODAY Health - TODAY.com
    3. Coffee is a potent diuretic.
    False. It’s true the stimulant effect of coffee can act as a slight diuretic, however the overall volume of water you consume while enjoying your cup of coffee will more than make up for the small amount lost in your urine.
    Via Coffee Makes You Dehydrated: Say What? - DivineCaroline
    The Straight Talk
    In his review, “Caffeine, Body Fluid-Electrolyte Balance, and Exercise Performance,” Lawrence E. Armstrong, a professor of exercise physiology at the University of Connecticut disproves the notion that caffeinated beverages rob us of our precious fluids. By reviewing the scientific research on the subject, he concludes that although caffeine, like water, is a mild diuresis (it increases excretion of urine), moderate caffeine consumption does not produce a “fluid-electrolyte imbalance” that can affect health or exercise performance. Furthermore, we retain roughly the same amount of fluid after drinking a caffeinated beverage as we do after drinking water.
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    There is also the small problem of calcium the sugar in the soda will stop the body from absorbing it which will lead to rickets and osteoporosis in older people
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    Moderator Moderator Janus's Avatar
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    Quote Originally Posted by Harold14370 View Post
    Quote Originally Posted by Janus View Post
    Coffee is definitely a bad idea as it acts as a diuretic, which means it causes your kidneys to pull more water out of the blood, meaning that you'll end up literally pissing your water away.
    Buzz or bunk? 5 coffee myths - TODAY Health - TODAY.com
    3. Coffee is a potent diuretic.
    False. It’s true the stimulant effect of coffee can act as a slight diuretic, however the overall volume of water you consume while enjoying your cup of coffee will more than make up for the small amount lost in your urine.
    Via Coffee Makes You Dehydrated: Say What? - DivineCaroline
    The Straight Talk
    In his review, “Caffeine, Body Fluid-Electrolyte Balance, and Exercise Performance,” Lawrence E. Armstrong, a professor of exercise physiology at the University of Connecticut disproves the notion that caffeinated beverages rob us of our precious fluids. By reviewing the scientific research on the subject, he concludes that although caffeine, like water, is a mild diuresis (it increases excretion of urine), moderate caffeine consumption does not produce a “fluid-electrolyte imbalance” that can affect health or exercise performance. Furthermore, we retain roughly the same amount of fluid after drinking a caffeinated beverage as we do after drinking water.

    Okay, maybe I should have clarified. I did not mean that you could not get a net fluid intake from drinking coffee or any of the other non-water drinks listed, but only that, in the scenario given where you you were given the choice between the same amounts of different fluids, water was the best choice because of the various effects that reduce the net water intake you get from the other drinks.
    "Men are apt to mistake the strength of their feelings for the strength of their argument.
    The heated mind resents the chill touch & relentless scrutiny of logic"-W.E. Gladstone


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  10. #9  
    Forum Professor Zwolver's Avatar
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    Quote Originally Posted by Raziell View Post
    I hear you should drink 2 litres of water everyday. And that soda isnt a substitute, is that really so?

    May be a stupid question but why does it matter? They are both liquid.
    Haha, Drink an ounce of mercury and you know why water is so important.

    Quote Originally Posted by Raziell View Post
    Lets take the following scenario: A plane crashes on an island. There are two survivors, Jack and Michael. Jack got 100 litres of water, Michael got 100 litres of Coca-Cola. They are both in equally good health.
    Will Michael die before the rescue team arrives if the water is barely enough to keep Jack alive untill that time?
    Taken in concideration that you have all the powdered nutrition you want, then the one drinking water will be alive the longest.

    If there is no other nutrition available, then the one drinking cola will live the longest, as he will be getting sugars etc.

    In the case of cola light, then water will provide the way to live the longest, as your body will burn trough calories faster if it tries to digest something.

    But no, it does not matter if you don't drink anything at all, even. A human does not have to drink, as long as you eat 3kg fruit per day.
    Growing up, i marveled at star-trek's science, and ignored the perfect society. Now, i try to ignore their science, and marvel at the society.

    Imagine, being able to create matter out of thin air, and not coming up with using drones for boarding hostile ships. Or using drones to defend your own ship. Heck, using drones to block energy attacks, counterattack or for surveillance. Unless, of course, they are nano-machines in your blood, which is a billion times more complex..
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  11. #10  
    Administrator KALSTER's Avatar
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    My father drinks mostly coffee, cola and milk and he has been alive for years.
    Disclaimer: I do not declare myself to be an expert on ANY subject. If I state something as fact that is obviously wrong, please don't hesitate to correct me. I welcome such corrections in an attempt to be as truthful and accurate as possible.

    "Gullibility kills" - Carl Sagan
    "All people know the same truth. Our lives consist of how we chose to distort it." - Harry Block
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  12. #11  
    Forum Ph.D. Raziell's Avatar
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    Quote Originally Posted by fiveworlds View Post
    There is also the small problem of calcium the sugar in the soda will stop the body from absorbing it which will lead to rickets and osteoporosis in older people
    Holy crap! Never knew this. Despite my low weight (74kg/184cm height) Ive had back problems for 10 years without proper diagnosis and lately I get a "clicking" sound in the chestbones from time to time. Ive been drinking about 0.5-3.00 litres of soda a day since I was 14 years old (28 now). I continued to drink soda like crazy since it didnt ever make me fat. I thought sugar only made you fat and ruined your teeth so I continued to drink it in large amounts because I thought proper dental care and my super-metabolism allready countered sugar as something negative.
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  13. #12  
    Forum Professor Zwolver's Avatar
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    This is not even slightly related. The clicking sound is because of jugular's that swoop over cartilage. Sometimes accompanied by air inside the joints. You can not hear osteoporosis. And even if you could, i doubt you could still walk.
    Growing up, i marveled at star-trek's science, and ignored the perfect society. Now, i try to ignore their science, and marvel at the society.

    Imagine, being able to create matter out of thin air, and not coming up with using drones for boarding hostile ships. Or using drones to defend your own ship. Heck, using drones to block energy attacks, counterattack or for surveillance. Unless, of course, they are nano-machines in your blood, which is a billion times more complex..
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  14. #13  
    Brassica oleracea Strange's Avatar
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    Quote Originally Posted by Raziell View Post
    Ive been drinking about 0.5-3.00 litres of soda a day since I was 14 years old (28 now).
    That's insane -- I doubt I drink that much in year!

    You might be putting yourself at risk of all sorts of things (diabetes comes to mind).
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    Administrator KALSTER's Avatar
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    Yeah, not only can too much sugar make you fat, but it can lead to insulin resistance, which is what type 2 diabetes is.
    Disclaimer: I do not declare myself to be an expert on ANY subject. If I state something as fact that is obviously wrong, please don't hesitate to correct me. I welcome such corrections in an attempt to be as truthful and accurate as possible.

    "Gullibility kills" - Carl Sagan
    "All people know the same truth. Our lives consist of how we chose to distort it." - Harry Block
    "It is the mark of an educated mind to be able to entertain a thought without accepting it." - Aristotle
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  16. #15  
    Forum Professor Zwolver's Avatar
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    Quote Originally Posted by Strange View Post
    Quote Originally Posted by Raziell View Post
    Ive been drinking about 0.5-3.00 litres of soda a day since I was 14 years old (28 now).
    That's insane -- I doubt I drink that much in year!

    You might be putting yourself at risk of all sorts of things (diabetes comes to mind).
    Nah, it's not that much. Diabetes comes to mind indeed, but it's far from a lot.

    Tea + coffee with sugar have about the same result then soda.

    I know a few years ago i drank 2 liters of red bull every day for a month.. Well that's different.. And it gave me stumack cramps, muscular spasm, and some pain in the chest and head.. But that was because of the caffeine. i doubt the sugars i drank had any effect even close to that.

    I still drink a can (33cl) a bull a day, and that's fine.. ..

    My guess is that you can easily eat 100 grams of pure sugar a day, without any trouble, which is about 3 liters of soda, without any health problems. But i can not tell for sure.. Diabetes type 2 isn't easily iniciated in a nonfat individual. Some people actually use the sugar. Storing it can cause diabetes. Is there a dieetician in the house?
    Growing up, i marveled at star-trek's science, and ignored the perfect society. Now, i try to ignore their science, and marvel at the society.

    Imagine, being able to create matter out of thin air, and not coming up with using drones for boarding hostile ships. Or using drones to defend your own ship. Heck, using drones to block energy attacks, counterattack or for surveillance. Unless, of course, they are nano-machines in your blood, which is a billion times more complex..
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