Calcium Ups Risk of Heart Disease, Death for Kidney Patients, Women's College Hospital Study

Published: Jul 22, 2013

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Kidney patients who take calcium supplements to lower their phosphorus levels may be at a 22 per cent higher risk of death than those who take other non-calcium based treatments, according to a new study by Women's College Hospital's Dr. Sophie Jamal. The study, published today in the Lancet, calls into question the long-time practice of prescribing calcium to lower phosphate levels in patients with chronic kidney disease. The researchers suggest some of the calcium is absorbed into the blood stream and may expedite hardening of the arteries, leading to a higher risk of heart disease and even death.

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