Kidney stones are dangerous as they can cause permanent damage to the kidneys by reducing the kidney’s ability to filter. They cause bleeding and pain within the urinary tract. Doctors can break up kidney stones using ultrasound.

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Resource:

  1. what are the dangers of kidney stones? – http://www.ehow.com/facts_5667908_dangers-kidney-stones_.html
  2. why are kidney stones dangerous in children? – http://www.ehow.com/about_5280150_kidney-stones-dangerous-children.html
  3. How Big is a Kidney Stone? – http://answers.ask.com/Health/Diseases/how_big_is_a_kidney_stone
  4. What Cause Kidney Stones? – http://answers.ask.com/Health/Diseases/what_cause_kidney_stones