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.
Foods that are highest in oxalate include fruits, vegetables, nuts, seeds, legumes, and grains. High-oxalate fruits include berries, kiwis, figs, and purple grapes. Vegetables that contain high levels of oxalate include rhubarb, okra, leeks, spinach, beets, and Swiss chard.alcium is also helpful. Getting too little calcium can increase the amount of oxalate that gets to the kidneys, which will then increase the risk of kidney stones. Lowering your salt intake can also lower your risk of kidney stones, since high-salt diets tend to cause more calcium to be lost in the urine.