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 form from these minerals: Calcium stones are the most common and are usually made of calcium oxalate. Oxalate is a substance in food, including some fruits, vegetables, nuts and chocolate. Calcium or oxalate may be increased in the urine because of.