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.
While most kidney stones contain calcium, you may not need to avoid calcium-rich foods. In fact, eating moderate amounts of dairy products and other calcium-rich foods may lower the risk of forming new stones. This does not apply to calcium supplements, which have been linked to kidney stones in some people.