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.
Another common type of kidney stone is a uric acid stone. Red meat and shellfish have high concentrations of a natural chemical compound known as a purine. High purine intake leads to a higher production of uric acid which then accumulates as crystals in the joints, or as stones in the kidneys.
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.