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.
1 If you tend to form calcium oxalate stones, your doctor may recommend restricting foods rich in oxalates. 2  These include rhubarb, beets, okra, spinach, Swiss chard, sweet potatoes, nuts, tea, chocolate and soy products.
An excessive amount of uric acid in the urine can also cause the formation of kidney stones. This uric acid is derived from the pureness present in certain foods such as meat, seafood, organ meat, lentils, poultry ... Furthermore; some people naturally create too much uric acid.