When choosing a life insurance policy two of the main types of plans available are term life insurance and whole life insurance. There are major differences between the two types of policies and this article will assist you with making the choice ...
Last updated: Fri 17 July 2015 Last updated: Fri 17 Jul 2015. email. Kidney stones usually comprised of a compound called calcium oxalate, are the result of an accumulation of dissolved minerals on the inner lining of the kidneys.
Calcium stones are the most common type of kidney stone. They are caused when there is too much calcium in the urine. High amounts of calcium could be a result of: 1  an inherited condition called hypercalcuria, which leads to large amounts of calcium in urine.2  high levels of vitamin D.ystine stones are the rarest form of kidney stone. They are caused by an inherited condition called cystinuria, which affects the amount of acid that is passed in your urine. JavaScript and the Flash Player are required to view NHS Choices tools. JavaScript can be switched on through your browser options.