About UNHCR. The Office of the United Nations High Commissioner for Refugees was established on December 14, 1950 by the United Nations General Assembly. The agency is mandated to lead and co-ordinate international action to protect refugees and resolve refugee problems worldwide.
Another common type of kidney stone is a uric acid stone. Red meat and shellfish have high concentrations of a natural chemical compound known as a purine. High purine intake leads to a higher production of uric acid which then accumulates as crystals in the joints, or as stones in the kidneys.
If a person is experiencing kidney stones, a doctor may recommend that she not eat foods rich in oxalate. Oxalate-Rich Foods Spinach, peanuts, chocolate and sweet potatoes are oxalate-rich foods that a person prone to kidney stones should avoid eating. Medium-Oxalate Foods Grits, grapes, green peppers and strawberries have a medium amount of oxalate.