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Evidence-Based Health Benefits of Lemons--C
3. Prevent Kidney Stones
Kidney stones are small lumps that form when waste products crystallize and build up in your kidneys.
They are quite common, and people who get them often get them repeatedly.
Citric acid may help prevent kidney stones by increasing urine volume and increasing urine pH, creating a less favorable environment for kidney stone formation.
Just a 1/2-cup (4 ounces or 125 ml) of lemon
juice per day may provide enough citric acid to help prevent stone formation in people who have already had them.
Some studies also found that lemonade effectively prevented kidney stones, but the results have been mixed. Other studies have shown no effect.
Therefore, more well-conducted studies need to examine whether lemon juice affects kidney stone formation.
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