Answer:
Uric acid stones can be the result of a high purine intake which leads to high uric acid in the urine. Uric acid is not very soluble in water so it will come out of solution, so when there is too much uric acid in the urine, stones can form. To help prevent the formation of too much uric acid in the system you have to cut down on purines. Purines are found in particularly high concentrations in foods such as anchovies, sardines, herring, mackerel, scallops, gravy, meat, and meat products. Also organ meats like liver, brains, sweetbreads, and kidney have particularly high purine levels levels. it has been found that high intakes of purines can increase the amount of uric acid in the urine. This can then lead to formation of uric acid stones. Protein substitutes for these high purine foods are:
There is also a particular risk in the consumption alcoholic beverage's, To find out more on this subject you will find useful information if you go to the related link below (Know Your Stones. Protect Your Kidneys)