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.
To help reduce this kidney stones symptoms a diet low in oxalates is recommended. Foods high in oxalate include beer, chocolate milk, tea, nuts, sesame, soy, berries, citrus fruit peel (only juice the flesh), purple grapes, red currants, rhubarb, beets, dandelion, swiss chard, parsley, spinach and watercress.