What increases the risk of kidney stones?

4. A large amount of sugar in the diet. Foods high in sugar and fructose create a favorable environment for stone formation. 5. Lack of calcium. A decrease in calcium in the menu leads to an increase in the amount of oxalates in the body, which gradually causes urolithiasis. 6. Use of protein diets. They increase the level of uric acid in the blood, increasing the risk of urate stones.