What causes kidney stones? - Arash Shadman

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What causes kidney stones? - Arash Shadman with tags ted, ted-ed, ted education, ted ed, arash shadman, kidney, kidney stone, ureter, urethra, urine, calcium, oxalate, crystal, bladder, sodium, potassium, phosphate, magnesium ammonium phosphate, struvite, clacium phosphate, uric acid, urinary track, alpha blockers, potassium citrate, acid

View full lesson: http://ed.ted.com/lessons/what-causes-kidney-stones-arash-shadmanThe biggest kidney stone on record weighed more than a kilogram and was 17 centimeters in diameter. The patient didnt actually swallow a stone the size of a coconut; kidney stones form inside the body. So how do they grow in the first place? And why are they so painful to get out? Arash Shadman shares the science behind kidney stones. Lesson by Arash Shadman, directed by TED-Ed.