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.
Bananas are a low-oxalate food. Kidney stones are small, hard, sharp crystals that can lodge in the kidneys or the ureter, which is the tube that carries urine from the kidneys to the bladder, and are potentially very painful. The most commonly occurring stones are made of calcium combined with either phosphate or oxalate.