Nutrition

What Foods can Cause Kidney Stones

Kidneys are the organs responsible for blood purification and urine formation. Just as their name suggests, kidney stones are small, rock-like structures that develop inside the kidneys. They are formed when certain minerals in the urine become concentrated enough to form crystals. These crystals, if grown into larger masses, can block the flow of urine, causing intense pain.

The majority of kidney stones form when the mineral calcium combines with either oxalate or phosphate. They can also form from uric acid which is produced when the body metabolizes protein.

Numerous foods are known to contribute to their development.

 Animal Proteins

Animal Proteins Cause Kidney Stones

Consumption of animal proteins may increase the risk of both uric acid and calcium oxalate stones. They contain high quantity of purine, a compound which is broken down to uric acid in the body. Sardines, mussels, scallops, shrimp, veal, codfish, gravy all possess comparatively high proportions of purine as does organ meat (i.e. meat from the liver, heart and kidneys). Their acid content can result in increased calcium and decreased citrate excretion, thereby increasing the risk of calcium stone development. Citrate is a chemical in the urine which helps prevent the stones from forming. Limit animal protein intake to 6 ounces a day.

Sodium

Sodium Cause Kidney Stones

Sodium consumption causes increased calcium excretion in urine. Calcium then combines with oxalate and phosphorus to produce stones. Typical high-sodium foods include fast-food, packaged snack foods such as chips, pickled foods and canned soups and vegetables—basically anything salty. Be sure to check food labels for hidden sources of sodium such as sodium alginate, monosodium glutamate, baking powder and soda and disodium phosphate. Those prone to develop kidney stones limit sodium consumption to 2,300 mg per day.

Carbonated Beverages

Carbonated Beverages Cause Kidney Stones

These drinks contain phosphoric acid which causes urinary changes that promote stone formation. A recent study conducted by the American College of Physicians found that abstinence from carbonated beverages in patients with a history of kidney stones reduced their risk of recurrence by 15%.

Foods Rich in Oxalate

Foods Rich in Oxalate Cause Kidney Stones

rhubarb, okra (bhindi), beetroot, kale, celery, soy, milk, strawberries, nuts and chocolate. These foods should be avoided by those who are at risk of developing calcium oxalate stones.

Excess Vitamin C

Excess Vitamin C Cause Kidney Stones

Excess vitamin C is usually excreted from the body in oxalate form, which may lead to the development of kidney stones. This precaution, however only applies to vitamin C supplements and not to foods rich in vitamin C.

Sugary Foods

Sugary Foods Cause Kidney Stones

Several reputable studies have suggested that high consumption of sugar-sweetened drinks is associated with a higher incidence of kidney stones. Type 2 diabetes (which is caused by sugar consumption) also significantly increases the risk of kidney stones.

High Amounts of Carbohydrates and Fats

High Amounts of Carbohydrates and Fats Cause Kidney Stones

Obesity is another major risk factor for kidney stones. In general, try to avoid foods that lead to excess weight gain.

Bear in mind that adequate fluid intake is the single most important and effective measure when it comes to kidney stone prevention. Drinking water dilutes the chemicals in urine that lead to the formation of kidney stones. Adequate calcium consumption is also very important for kidney stone prevention.

Please note that these dietary restrictions apply primarily to those who have a history of the disease or have a high risk of developing it. Others need not be this careful.

Reference:

http://www.npr.org/sections/health-shots/2014/11/04/361202839/to-prevent-kidney-stones-go-easy-on-soda-and-drink-lots-of-water

Image Credits: google

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What Foods can Cause Kidney Stones - HTV
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Diet plays an important role in the development of kidney stones. Avoid these foods in order to lower your risk of kidney stones and prevent kidney stones.
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