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.
Too much caffeineâin the form of coffee, tea, and sodaâcan stress out the kidneys and lead to the development of kidney stones due to higher calcium levels in the urine, and even kidney failure due to the stimulant qualities that can cause organ exhaustion.