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.
In addition, tissues are affected by exposure to chemicals in the environment such as chlorine and formaldehyde. Foods high in oxalate may cause or increase inflammation, pain, and burning, irritate tissues and mucous membranes, and contribute to the formation of calcium oxalate kidney stones.xalate is found in varying degrees primarily in plant foods including vegetables, fruits, grains, legumes, spices, herbs, and almost all nuts and seeds. When too much oxalate is absorbed into the bloodstream via the gut, it can team up with calcium to form sharp calcium-oxalate crystals.