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How Does Fluid Get To The Kidneys

The Body Is 60% Water By Weight

How do your kidneys work? – Emma Bryce

Our bodies contain a lot of water 60% of an adults weight, and 80% of a newborns weight, is body fluid. In other words, the body of a 70 kg man contains about 42 liters of water.

  • *Minerals are inorganic substances other than oxygen, carbon, hydrogen, and nitrogen that are necessary for the body to function.

Hydration For Kidney Health

Drink up why hydration is important for kidney health.

Drinking sufficient levels of fluid on a daily basis is an important part of kidney health. And its not just something we should be thinking about during the warmer summer months.

We are at the greatest risk of dehydration when we are too hot or too dry, have limited access to water or lose more water than usual. Warm or dry environments, such as centrally-heated homes, tend to increase our need for fluid. We can lose more fluid through sweating , or through bouts of vomiting and diarrhoea.

The colour of our urine can be a clear indicator of whether were taking in enough fluids. We should aim to produce urine thats straw coloured or paler but, if its any darker than this, it may suggest that we are dehydrated.

Dehydration, especially chronic dehydration, results in the production of urine which has a higher concentration of minerals and waste products. This can lead to the formation of crystals which can affect kidney function and contribute to certain kidney diseases, such as kidney stones.

Research suggests that drinking plain water, in particular, can have a potentially protective effect on kidney function.

Here’s How Kidneys Perform Their Important Work:

  • Blood enters the kidneys through an artery from the heart
  • Blood is cleaned by passing through millions of tiny blood filters
  • Waste material passes through the ureter and is stored in the bladder as urine
  • Newly cleaned blood returns to the bloodstream by way of veins
  • Bladder becomes full and urine passes out of the body through the urethra.
  • The kidneys perform their life-sustaining job of filtering and returning to the bloodstream about 200 quarts of fluid every 24 hours. Approximately two quarts are eliminated from the body in the form of urine, while the remainder, about 198 quarts, is retained in the body. The urine we excrete has been stored in the bladder for approximately one to eight hours.

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    Possible Health Benefits Of Perrier

    1. Hydration

    Keeping yourself properly hydrated is absolutely necessary for your health. If you donât like the taste of bland, plain water, sparkling water is a great alternative. Both of these drinks do not contain any calories or sugar in them, but sparkling water may taste better because of its carbonated properties.

    2. Bone Strengthening

    Mineral water is rich in calcium. This is important because calcium plays a big role in strengthening your bones so that you are not fragile. Calcium is also great for improving muscle performance, especially that of the heart. It even aids in nerve transmission, hormone secretion, and cell signaling. Different brands of mineral water have different calcium levels, with some as much as 348 mg. So is Perrier bad for you? Definitely not since it has 170 mg of magnesium, fulfilling 17% of your recommended daily values.

    3. Magnesium

    Another mineral that can be found in mineral water is magnesium which is necessary for protein synthesis, energy production, and muscle and nerve function. It also helps to regulate and maintain blood pressure and sugar levels. Drinking mineral water is a great way to make up for your magnesium deficit, as one liter alone can contain up to 108 mg, or 29% of the recommended daily value. Perrier itself has 6 mg, which equates to about 2% of the daily value.

    You can learn more about the benefits of sparkling water from here.

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    How Does Water Travel Through The Body

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    Water travels through the esophagus, which is a small pipe connected to the mouth, and eventually lands in the stomach. A lot of people wonder how long does it take for water to digest?or how is water digested?. One of the main differences between eating food and drinking water is that water is absorbed rather than digested. The process of water absorption into the bloodstream begins in the stomach.

    The amount of water absorbed in the stomach and how quickly water is absorbed depends, in part, on how much has been eaten. If someone is drinking water on an empty stomach, they are more likely to experience a faster rate of water absorption as quick as 5 minutes after taking a drink. Whereas, if a person has eaten a lot of food before they drink water, the speed of absorption will slow down accordingly and absorption could take up to a few hours.

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    How Does Blood Flow Through My Kidneys

    Blood flows into your kidney through the renalartery. This large blood vessel branches into smaller and smaller blood vessels until the blood reaches the nephrons. In the nephron, your blood is filtered by the tiny blood vessels of the glomeruli and then flows out of your kidney through the renal vein.

    Your blood circulates through your kidneys many times a day. In a single day, your kidneys filter about 150 quarts of blood. Most of the water and other substances that filter through your glomeruli are returned to your blood by the tubules. Only 1 to 2 quarts become urine.

    What Are The Kidneys And Their Functions

    The kidneys are two bean-shaped organs in the renal system. They help the body pass waste as urine. They also help filter blood before sending it back to the heart. The kidneys perform many crucial functions, including: maintaining overall fluid balance.

    What is the primary function of the kidney?

    The primary function of the kidneys is to filter the blood and remove excess fluid from it. The kidneys leave just the right amount of salt and other minerals in the blood.

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    Regulation Of Renal Aquaporins

    Water reabsorption along the renal tubule is generally passive to occur, but rather follows a concentration gradient created by the active reabsorption of NaCl. Therefore, a primary determinant of water reabsorption by the renal tubule is the tubules permeability. One might expect a lipid bilayer, which constitutes the outer membrane of epithelial cells lining the renal tubule, to be fairly hydrophobic, and not allow efficient water entry/exit. This is useful, for example, in the TAL, for generating the cortico-medullary osmotic gradient to allow for eventual fine-tuning of water reabsorption. However, in the PT and distal tubule , numerous intramembrane hydrophilic proteins known as water channels or aquaporins increase the porosity of the lipid bilayer allowing for H2O molecules to be reabsorbed from the luminal fluid across the apical membrane, into the cell, and then across the basolateral membrane and back into the circulation. Aquaporins , as a class, have six-membrane-spanning regions, with charged amino acids forming the actual water channel and intracellular amino and carboxy tails.

    Jochen R. Hirsch, Wolf-Georg Forssmann, in, 2013

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    Water Waste Removed Through Urination

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    This also ties back to the question how long does it take water to reach the bladder? or how long does it take to pee after drinking water? Your hydration level determines how quickly your body will send water to your kidneys, which then goes to the bladder once it gets processed as urine. If youre very hydrated, your body will send the excess water into the kidneys quickly because its not needed elsewhere. If youre dehydrated, the water will be absorbed and sent to maintain vital functions before it eventually reaches the kidneys to remove toxins. It generally takes your body 9 to 10 hours to produce 2 cups of urine.

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    How Is Hypervolemia Treated

    Treatment for hypervolemia will usually focus on ridding the body of excess fluid. This may require taking diuretic medication to increase urine production. Your doctor will also focus on treating the underlying cause of the hypervolemia. This may mean addressing kidney, liver or heart issues. If youre diagnosed with kidney failure, your doctor may recommend starting dialysis.

    Sit Down Drink Your Water

    While there is no scientific proof to let us know if you should drink water sitting down or standing up, it is without a doubt that standing up and drinking water can prompt joint pain, and different illnesses are a myth. But, it is highly recommended to sit down and drink water since posture can take part in how our body gets what we feed it. When we are standing or walking, the blood flow is high towards our hands and legs, demonstrating prevention for the water to reach the digestive system appropriately.

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    Symptoms Of Chronic Kidney Disease

    Most people with CKD have no symptoms because the body can tolerate even a large reduction in kidney function.

    In other words, we are born with a lot more kidney function than is necessary for survival. Kidney function is often sufficient if only one kidney is working. That is why people can give a kidney to someone needing a kidney transplant.

    A change in kidney function is usually discovered through a routine blood or urine test. If you are diagnosed with kidney disease, your kidney function will be monitored with regular blood and urine tests, and treatment aims to keep any symptoms to a minimum.

    If the kidneys continue to lose function and there is progression towards kidney failure , this will usually be tracked by blood tests and monitoring. If kidney failure does occur, the symptoms may include:

    • weight loss and poor appetite
    • swollen ankles, feet or hands
    • shortness of breath
    • blood or protein in your urine
    • an increased need to urinate, particularly at night
    • erectile dysfunction in men

    These are general symptoms and can be caused by many less serious conditions. Many of the symptoms above can be avoided if treatment begins at an early stage, before any symptoms appear.

    If you are worried by any of the symptoms above, arrange to see your GP.

    Want to know more?

    Your Kidneys & How They Work

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    The kidneys are two bean-shaped organs, each about the size of a fist. They are located just below the rib cage, one on each side of your spine.

    Healthy kidneys filter about a half cup of blood every minute, removing wastes and extra water to make urine. The urine flows from the kidneys to the bladder through two thin tubes of muscle called ureters, one on each side of your bladder. Your bladder stores urine. Your kidneys, ureters, and bladder are part of your urinary tract.

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    Causes Of Chronic Kidney Disease

    Kidney disease is most often caused by other conditions that put a strain on the kidneys.

    High blood pressure and diabetes are the most common causes of kidney disease. The evidence indicates that high blood pressure causes just over a quarter of all cases of kidney failure. Diabetes has been established as the cause of around a quarter of all cases.

    Keeping Your Kidneys Healthy

    Well-functioning kidneys are essential to your overall health. Early detection of kidney disease can be life-saving. Medication and changes to lifestyle, along with an early referral to a kidney specialist, can prevent or delay kidney failure.

    If you are at increased risk of chronic kidney disease, talk to your doctor about having a regular kidney health check.

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    Think Outside The Bottle

  • Infused water: Adding a few pieces of fresh fruit and/or herbs to your water can give it a hint of flavor without adding any sugar or calories. Get creative with fruit and herb combinations like blackberry and mint, watermelon and basil, or lavender and lemon. Or try something with a little kick like apples and cinnamon, peaches and ginger, or strawberry and jalapeno.
  • Sparkling water: Sparkling water is a great change from sugary sodas when you are craving something bubbly. If plain sparkling water isnt your cup of tea, you can infuse it just like plain water, or try any of the new flavored sparkling water options available in stores. Look for brands and flavors that have no added sugar or sweeteners, like La Croix.
  • Tea: If you think about it, tea is basically just infused water! Leave out the sugar, and tea is another great zero-calorie drink choice that can be enjoyed hot or cold. If you are sensitive to caffeine, look for decaf versions of black and green tea, or try a caffeine-free herbal tea like chamomile, rooibos, or peppermint. If you drink bottled tea, check the ingredients and look for options that have no added sugar or sweeteners.
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    How Your Kidneys Work

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    You have two kidneys, each about the size of an adult fist, located on either side of the spine just below the rib cage. Although they are small, your kidneys perform many complex and vital functions that keep the rest of the body in balance. For example, kidneys:

    • Help remove waste and excess fluid
    • Filter the blood, keeping some compounds while removing others
    • Control the production of red blood cells
    • Make vitamins that control growth
    • Release hormones that help regulate blood pressure
    • Help regulate blood pressure, red blood cells, and the amount of certain nutrients in the body, such as calcium and potassium.

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    Why Do We Need To Drink Water

    The Institute of Medicine recommends that men achieve a daily fluid intake of around 3 liters and that women take in 2.2 liters.

    To function properly, all the cells and organs of the body need water. It is also used to lubricate the joints, protect the spinal cord and other sensitive tissues, regulate body temperature, and assist the passage of food through the intestines.

    Although some of the water required by the body is obtained through foods with a high water content soups, tomatoes, oranges the majority is gained through drinking water and other beverages.

    During every day functioning, water is lost by the body, and this needs to be replaced. It is noticeable that we lose water through activities such as sweating and urination, but water is even lost when breathing.

    Drinking water, be it from the tap or a bottle, is the best source of fluid for the body. Beverages such as milk and juices are also decent sources of fluid, but beverages containing alcohol and caffeine, such as soft drinks, coffee, and beer, are not ideal because they often contain empty calories.

    It was previously thought that caffeinated beverages had diuretic properties, meaning that they cause the body to release water. However, studies show that fluid loss because of caffeinated drinks is minimal.

    How Can I Keep My Kidneys Healthy

    Its important to have regular checkups and blood and urine tests to measure your kidneys health. You can reduce your risk of developing a kidney problem by:

    • Avoiding or quitting smoking and using tobacco products. Your provider can help you find ways to quit.
    • Cutting out excess salt, which can affect the balance of minerals in your blood.
    • Increasing daily exercise, which can reduce high blood pressure.
    • Limiting your use of NSAIDs. NSAIDs can cause kidney damage if you take them too much.
    • Watching your blood sugar levels if you have diabetes.

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    Water Eases Thirst Before It Hits The Bloodstream

    That refreshing feeling after you’ve taken a long gulp of water? It’s far too rapid to be an immediate reaction to your drink your body is just filling in the gaps.

    Thirst is triggered by the brain’s detection that cells are shrinking as the body uses up its water, but you’ll likely feel sated before the cells are filled with water again.

    Why? It’s something called an anticipatory reflex. The taste buds and gut register how much water you’ve ingested and make you feel sated so that you’ll stop drinking at an appropriate point.

    How Is Chronic Kidney Disease Detected

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    Early detection and treatment of chronic kidney disease are the keys to keeping kidney disease from progressing to kidney failure. Some simple tests can be done to detect early kidney disease. They are:

  • A test for protein in the urine. Albumin to Creatinine Ratio , estimates the amount of a albumin that is in your urine. An excess amount of protein in your urine may mean your kidney’s filtering units have been damaged by disease. One positive result could be due to fever or heavy exercise, so your doctor will want to confirm your test over several weeks.
  • A test for blood creatinine. Your doctor should use your results, along with your age, race, gender and other factors, to calculate your glomerular filtration rate . Your GFR tells how much kidney function you have. To access the GFR calculator, .
  • It is especially important that people who have an increased risk for chronic kidney disease have these tests. You may have an increased risk for kidney disease if you:

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    What Are Some Disorders Of The Urinary System

    Disorders of the urinary system range in severity from easy to treat to life threatening.Benign prostatic hyperplasia is a condition in men that affects the prostate gland, which is part of the male reproductive system. The prostate is located at the bottom of the bladder and surrounds the urethra. BPH is an enlargement of the prostate gland that can interfere with urinary function in older men. It causes blockage by squeezing the urethra, which can make it difficult to urinate. Men with BPH frequently have other bladder symptoms including an increase in frequency of bladder emptying both during the day and at night. Most men over age 60 have some BPH, but not all have problems with blockage. There are many different treatment options for BPH.

    Painful bladder syndrome/Interstitial cystitis is a chronic bladder disorder also known as frequency-urgency-dysuria syndrome. In this disorder, the bladder wall can become inflamed and irritated. The inflammation can lead to scarring and stiffening of the bladder, decreased bladder capacity, pinpoint bleeding, and, in rare cases, ulcers in the bladder lining. The cause of IC is unknown at this time.

    Proteinuria is the presence of abnormal amounts of protein in the urine. Healthy kidneys take wastes out of the blood but leave in protein. Protein in the urine does not cause a problem by itself. But it may be a sign that your kidneys are not working properly.


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