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.
Pasta, chives and other low-oxalate foods can guard against kidney stones. Oxalate is a compound found in many foods and produced by your body. While harmless for most people, high oxalate levels can trigger or worsen kidney stones -- an often painful condition in which pebble-like deposits form in your urinary tract.