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.
Some foods that are dangerous are caffeine, which disrupts the kidneyâs natural function, leading to kidney stone formation. 1  Rhubarb contains oxalate which is the object that makes up stones. 2  Artificial sweeteners.  Animal meat, which is high in uric acid. Uric acid is a cause of kidney stones.