Uric acid is the result of the degradation of purines and nucleic acids and is eliminated by the body in urine. Certain foods contain a notable quantity of uric acid: giblets, wild game, fermented cheeses, fish eggs and shellfish. It is generally less present in the blood. However, a dietary excess of foods containing uric acid, the consumption of beer or alcohol, can cause a rise in the amount of uric acid in the blood
. This raised level is mainly responsible for gout
and kidney stones.