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Do We Really Need Eight Glasses of Water a Day?

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  • Do We Really Need Eight Glasses of Water a Day?

    Do We Really Need Eight Glasses of Water a Day?
    http://www.pamfblog.org/2011/11/how-...uld-you-drink/

    Nov 18, 2011
    Dr. Arnold Aigen, a urologist at the Palo Alto Medical Foundation’s Mountain View Center, addresses the common rule-of-thumb that we all need to drink eight glasses of water every day. He’s a surgical subspecialist who treats a variety of urological medical problems from infections to cancer and kidney stones.

    “A day rarely goes by without me seeing a patient who is experiencing the discomfort of needing to urinate too often,” Dr. Aigen says. “While many medical issues, such as prostate or bladder problems, can cause this disorder, I also always ask my patients about their fluid intake.”

    We know that water is an essential element for our bodies, one that makes up around 60 percent of our body weight. We can’t live without it, but how much do we need to drink to maintain a healthy level? The common assumption is that we should all drink eight glasses of water every day. That equals 64 ounces or one half gallon.

    “Many people rely on the ‘eight glass’ rule, but few know the origin of this recommendation,” Dr. Aigen says. “The most likely source is the National Research Council’s Food and Nutrition Board. Years ago they published the recommendation of one milliliter of water for each calorie of food consumed. For most people, that ends up being about 64 to 80 ounces of water per day. What is often omitted is that they went on to say that much of this is already in the foods you are eating.”

    Water constitutes 90 percent of most fruits and vegetables, and about 50 percent of meats and cheese. Additionally, nearly every fluid aside from water that you drink (coffee, teas, juices, sodas) is nearly all water, as well.

    “Remember that alcohol and caffeine contain water, but both act as diuretics. These drinks dehydrate you, causing you to urinate out more fluid than you actually drank,” he says.

    Importance of Hydration

    For our bodies, water is the ultimate precious fluid, an essential element for the brain, body temperature maintenance, digestion, kidney function, circulation, transportation of nutrients and muscle strength.

    “Your body has a very effective signal to let you know your water tank is low: thirst. Pay attention to this message!” Dr. Aigen advises. “A good rule to follow is that your intake of all your fluids combined should be enough that you rarely feel thirsty and your urine isn’t concentrated or dark in color. Drink more if you like, but your body’s needs have probably been met.”
    I received the GIFT OF LIFE on Nov 9, 2010 thanks to my wonderful donor Laura and her family!

  • #2
    Re: Do We Really Need Eight Glasses of Water a Day?

    Thanks, Marina.
    I always wondered what sense there was in drinking when you aren't thirsty.
    sigpic

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    • #3
      Re: Do We Really Need Eight Glasses of Water a Day?

      I cant drink that much water ... I have kidney failure
      ESRD since 2004 started HEMO In 2004 recently switched to PD in December 2011
      OPEN HEART SURGERY 2005 and 2010
      I have 2 mechanical valves
      GALL BLADDER SURGERY 2010
      I have been on the transplant list since
      August 07, 2009

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      • #4
        Re: Do We Really Need Eight Glasses of Water a Day?

        If I do not drink enough water during the day, I have severe cramps at night. If I go two days without drinking a lot of water I have cramps all over. Any one else have that problem?
        I FIGHT ANY NEGATIVE THOUGHTS TO KEEP A POSITIVE OUTLOOK OF LIFE!

        Stage 5 CKD / Non diabetic, Controlled HBP / Diagnosed with SLE - Feb 1975 / Remission - July 2003 / Diagnosed with Lupus Kidney Disease - 1989 / Fistula installed - Aug 2011 / Ballooned - May 2012 / May not be candidate for kidney transplant or PD(Blood transfusion; stomach hernia repair, caesarian birth, etc.)
        http://jmirenal.blogspot.com (MY JOURNEY)

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        • #5
          Re: Do We Really Need Eight Glasses of Water a Day?

          Yes, I cramp too... in my feet, calves and thighs all at once when I have not drank my daily 64 oz of water!

          It is aweful!

          To prevent the cramping I now drink two 32 oz cups of water daily (and LOL wearing protective pads) LOL as I run to the restrooms throughout the day..... I daily take 80 mg water pill to keep my kidneys flowing ..... did I say flooding... I thank God their tweeking out the fluid but wow this is for sure my daily exercise of fast trots several times a day ! LOL See her run!!!!! Move out the way !!! I just have to laugh at my self for otherwise I would be down and moving as a snail so I am happy to be moving along to the restrooms and no cramping. Thank God!

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          • #6
            Re: Do We Really Need Eight Glasses of Water a Day?

            I go to the bathroom lots of times at night also (at least 4).
            I FIGHT ANY NEGATIVE THOUGHTS TO KEEP A POSITIVE OUTLOOK OF LIFE!

            Stage 5 CKD / Non diabetic, Controlled HBP / Diagnosed with SLE - Feb 1975 / Remission - July 2003 / Diagnosed with Lupus Kidney Disease - 1989 / Fistula installed - Aug 2011 / Ballooned - May 2012 / May not be candidate for kidney transplant or PD(Blood transfusion; stomach hernia repair, caesarian birth, etc.)
            http://jmirenal.blogspot.com (MY JOURNEY)

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