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.
2. If kidney stones are hereditary, you should steer clear of foods that contain oxalates (the material that makes up the actual stones). Rhubarb is one food thatâs particularly high in oxalates.
Kidney stones formed of Calcium oxalate are usually the result of eating high-oxalate foods, such as chocolate, berries (including cranberries), dark leafy greens (such as spinach) and wheat or bran foods. If you consume these foods on a regular basis, there is a chance that you have an oxalate stone.