Dante Carrillo
Kidney stones are hardened deposits of salt and other minerals that do not properly filter through the kidneys. They are fairly common, affecting about 11% of men and 7% of women. While there isn't a clear link between diet soda and kidney stones, regular sodas have been found to increase the risk of kidney stone formation. This is due to the high levels of processed sugar, phosphoric acid, caffeine, and high fructose corn syrup in regular sodas, which can increase the excretion of uric acid and calcium, contributing to kidney stones. On the other hand, some studies suggest that the high citrate and malate content in diet sodas may help treat kidney stones, but more research is needed to confirm this.
| Characteristics | Values |
|---|---|
| Does diet pop cause kidney stones? | Studies investigating the effects of diet soda on kidney stone development have found mixed results. One study found that diet soda drinkers have a slightly increased risk of kidney stone development, but the risk is smaller than that associated with regular soda. Another study reported that the high citrate and malate content of some diet sodas may help treat kidney stones. |
| Types of kidney stones | Calcium oxalate, calcium phosphate, cystine, struvite, uric acid, and cystine kidney stones. |
| Risk factors | High phosphate, phosphoric acid, and fructose content in sodas promote the formation of kidney stones. Sodas with added sugar increase the risk. |
| Preventive measures | Fresh-squeezed lemonade, which is high in citrate, can help prevent kidney stone formation. Drinking enough water and maintaining proper calcium levels are also important. |
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What You'll Learn
Phosphoric acid in diet pop
Phosphoric acid is a colorless, odorless additive used in many foods and drinks. It is used to add a sharp flavor to beverages, increase the shelf life of sweet drinks and food, and maintain the structure and hydration of processed meat and seafood. It is also used in fertilizers, bonding agents, soaps, detergents, and rust-proof paint. Phosphoric acid is just one form of phosphorus, an essential mineral that helps make up our bones, teeth, and DNA.
Phosphoric acid is commonly found in dark-colored soft drinks such as Coke and Pepsi, which use it for its sharp flavor and to extend shelf life. A can of cola typically contains 50 to 60 mg of phosphoric acid, and it is very easy for the body to absorb. While diet soda is free of added sugars, it still contains phosphoric acid and is highly acidic.
Excess phosphorus intake can put you at risk for osteoporosis and heart disease. Your body needs phosphorus, but your kidneys help get rid of any excess. People with chronic kidney disease may need to monitor their phosphorus intake because their kidneys may be unable to remove it effectively. Studies suggest that women who consume one or more bottles of cola per day have higher serum levels of PTH and hyperphosphaturia, which are associated with hypocalcemia.
In addition to contributing to kidney stones, regular soda consumption is linked to lower sperm count in men and reduced fertility in women. It is also a leading cause of diabetes, obesity, gout, negative effects on bone health, and can even contribute to premature death.
To reduce the risk of kidney stones and other health issues associated with phosphoric acid, it is recommended to limit the consumption of dark-colored soft drinks and choose clear sodas or other alternatives that do not contain phosphoric acid.
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Lemonade therapy
While there isn't a medication that can force kidney stones out, lemonade therapy is a well-known approach to preventing their formation. Kidney stones are hard substances made from chemicals in the urine, which can cause severe pain in the side, back, or below the ribs. They can also cause pain in the lower abdomen and groin areas.
To implement lemonade therapy, it is recommended to add three ounces of lemon juice to your daily diet, which is equal to six tablespoons or the juice of two medium-sized lemons. Freshly squeezed or store-bought lemon juice is fine, as long as it is pure and not a flavoured drink. For those who don't like lemons or have GERD, citrate pills can be prescribed.
It is important to note that while staying well-hydrated is beneficial for preventing kidney stone formation, it is not a guarantee. Lemonade therapy may not be suitable for everyone, so it is always best to consult a physician for specific health needs and advice on preventing kidney stones.
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High phosphorus content
While the exact causes of kidney stones vary, they are generally understood to be hardened deposits of salt and other minerals that do not properly filter through the kidneys. One study found that participants who drank one soda every day had a 23% higher chance of forming kidney stones.
Sodas contain a variety of unhealthy chemicals, including high levels of processed bleached sugar, phosphoric acid, caffeine, and high fructose corn syrup. The phosphoric acid in soda is used to maintain freshness and add flavor. However, it is important to regulate your intake of phosphoric acid to ensure you are not consuming too much.
The high phosphorus content of soda is believed to increase the acid load on the kidneys, which may contribute to kidney damage and the development of kidney stones. Observational studies have found a link between drinking large amounts of diet soda and the development of kidney disease. However, it is important to note that the health effects of diet soda are still controversial, and not all studies support this conclusion.
In addition to the high phosphorus content, the high fructose corn syrup in soda can also increase the risk of kidney stone formation. This is because it can metabolize into oxalate, which increases the excretion of uric acid and calcium. A combination of high levels of oxalate, uric acid, and calcium encourages the formation of kidney stones.
To reduce the risk of kidney stone formation, it is recommended to limit the consumption of soda and other sugary drinks, and increase water intake to stay properly hydrated.
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Artificial sweeteners
Observational studies have found a link between drinking large amounts of diet soda and the development of kidney disease. This may be due to the high phosphorus content of diet sodas, which increases the acid load on the kidneys. However, other studies suggest that people who consume a lot of diet soda may have other poor dietary and lifestyle habits that independently contribute to kidney issues.
Some studies have shown a slightly increased risk of kidney stone development associated with diet soda consumption. However, this risk is much lower compared to drinking regular soda. Interestingly, certain diet sodas with high citrate and malate content may even help treat kidney stones, especially in individuals with low urine pH and uric acid stones.
It is worth noting that artificially sweetened non-cola beverages also showed a marginally significant higher risk of kidney stone formation. Dark colas, artificial fruit punch, and sweet tea are the top drinks that contribute to kidney stones due to their high fructose or phosphoric acid content. These drinks provide zero nutritional value and are not a healthy alternative to water.
While the exact role of artificial sweeteners in kidney stone formation is still unclear, regulating your intake of phosphoric acid and maintaining proper hydration with water are recommended to support kidney health.
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Weight gain
While diet pop contains no calories, it may still contribute to weight gain. The artificial sweeteners in diet soda trigger the same response in the brain as real sugar. When the brain detects "sweetness", it signals the body to release hormones to process the sugar. Because diet soda is hyper-sweetened, it can trigger cravings for more sweet, high-calorie foods, leading to weight gain, particularly in the belly area.
Some studies have found that drinking diet soda can cause the thyroid gland to work less efficiently, potentially leading to increased fat storage and weight gain. However, experimental studies do not support the claim that diet soda causes weight gain. In fact, these studies have found that replacing sugar-sweetened drinks with diet soda can result in weight loss. One study found that overweight participants who drank 24 ounces (710 mL) of diet soda per day for 1 year lost an average of 13.7 pounds (6.21 kg), compared to 5.5 pounds (2.5 kg) in a group that drank water.
Another theory suggests that diet soda drinkers who experience weight gain may have pre-existing poor dietary habits that are the true cause of their weight gain, rather than diet soda.
To maintain a healthy weight, it is recommended to drink plenty of water and consume whole grains, cruciferous vegetables, and calcium-rich foods.
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Frequently asked questions
It is unclear whether diet pop causes kidney stones. Some studies have found an association between drinking a lot of diet soda and the development of kidney disease, but others have found that the risk is smaller than that associated with drinking regular soda.
Sodas contain high levels of processed bleached sugar, phosphoric acid, caffeine, and high fructose corn syrup. These ingredients can be extremely harmful, especially in large amounts. High fructose corn syrup can metabolize into oxalate and increase the excretion of uric acid and calcium, which encourages kidney stone formation.
Dark cola beverages, artificial fruit punch, and sweet tea are the top drinks that contribute to kidney stones due to their higher amounts of fructose or phosphoric acid. Citrus-based diet sodas, including 7Up, Sunkist Orange, Sprite, Fresca, and Canada Dry ginger ale, have higher citrate levels, which may help prevent kidney stones.
Fresh-squeezed lemonade is great for preventing the formation of kidney stones due to its high levels of citrate. It is important to stay hydrated with water and limit your intake of meat, sodium, and sugar.
