You could have kidney stones and not know it. That is, until one of those nasty little crystals forming on the surface of your kidneys break off and tries to pass through your urinary tract. The pain can be absolutely excruciating.In this podcast, MarinHealth urologist Dr. Patrick Bennett explains what kidney stones are made of and how they form in your body. Learn about the risk factors and treatment options for this common, unpleasant, but ultimately curable condition.