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.
1. Excessive Caffeine. Too much caffeineâin the form of coffee, tea, and sodaâcan stress out the kidneys and lead to the development of kidney stones due to higher calcium levels in the urine, and even kidney failure due to the stimulant qualities that can cause organ exhaustion. ADVERTISEMENT. kidney disease kidney stones slideshow top 10.
Kidney Stones. Spinach contains a naturally occurring substance called oxalate. In rare cases, eating extreme amounts of oxalate-rich foods like spinach, nuts, pepper and rhubarb can lead to a condition called hyperoxaluria, in which oxalate crystals combine with calcium in the kidney and form kidney stones.