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.
1 If you tend to form calcium oxalate stones, your doctor may recommend restricting foods rich in oxalates. 2  These include rhubarb, beets, okra, spinach, Swiss chard, sweet potatoes, nuts, tea, chocolate and soy products.
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.