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WARNING!
This is to add a strong second to one notice I have seen on this site to chronic kidney stone sufferers. If you have suffered repeated episodes of renal calculi buildup and passing kidney stones, it is advisable that you have your doctor run a simple blood test for hyperparathyroidism, an until recently little known condition that causes high blood calcium and a myriad of other symptoms including, but not limited to, depression, hypertension, loss of energy and interest, short temper, and even emotional instability. Many people suffer from this condition and do not know it, and many doctors are still unaware of it.