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.
1 Too much sodium in your diet increases the amount of calcium your kidneys must filter and significantly increases your risk of kidney stones. 2  Being obese. 3  High body mass index (BMI), large waist size and weight gain have been linked to an increased risk of kidney stones. 4  Digestive diseases and surgery.