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.
Here are five foods that can cause kidney stones because of a high oxalate content. Sweet potatoes, baked or cannedâThese vegetables which are often advised as being better for you then regular white potatoes which are very high in oxates. A half cup serving can have 26 to 99 mg of oxalates.