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.
2. If kidney stones are hereditary, you should steer clear of foods that contain oxalates (the material that makes up the actual stones). Rhubarb is one food thatâs particularly high in oxalates.
1. Calcium Stones. Four out of every five kidney stones will be calcium types of kidney stones. Calcium and oxalate can both cause calcium stones to form, and if either of these compounds are present in high levels this can increase your risks of getting kidney stones.