Is it a Kidney Stone?

Kidney stones (nephrolithiasis) affects 1 in 11 people in the U.S.  Some say its the worst pain they have ever experienced.   There are a number of causes for these stones, including diet, hereditary, chronic urinary infections, gastric bypass surgery or inflammatory bowel disease, and other medical conditions.  Sometimes we just don't know the cause, although they are more prevalent in men