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.
Oxalate-Rich Foods. Since oxalates form a large percentage of kidney stonesâ compositional value, consuming oxalate-rich foods is likely to trigger stone formation in vulnerable individuals. Thus, preparations containing high quantities of rhubarb, spinach, sweet potatoes, caffeine, chocolate, Swiss chard and soy should be avoided.