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.
5 Foods That Prevent Kidney Stones. 1  Whole-grains can protect against kidney stones. Besides the obvious benefits of all the fiber you are eating, wheat, rye, barley and rice all help reduce the amount of calcium in your system. This reduction helps lessen the calcium that could build into stones in your kidneys.