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Calcium Doesn’t Improve Bone Density, Analysis Finds

By Nicholas Bakalar

untitledCalcium, eaten in foods or taken as supplements, has little or no effect on bone density or the risk of fracture in people over 50, according to two large reviews of studies in BMJ.

One analysis reviewed 59 randomized controlled trials of the effect of dietary and supplemental calcium on bone density. Together, the trials included 13,790 men and women over 50. The data showed that more calcium in the diet or taken as supplements increased bone density about 1 percent to 2 percent — too little to have any effect on fractures.

The other review pooled the results of 55 studies of calcium intake and fractures and found no significant association of overall calcium intake with broken bones. Some studies of supplements showed a slightly reduced risk for vertebral fracture, but none for hip or forearm fractures. The four most rigorous, randomized controlled trials of calcium supplements included more than 45,000 participants and showed no association between supplements and the risk of fracture at any site.

“We found no evidence that calcium intake is associated with the risk for fracture,” said the senior author, Dr. Mark J. Bolland, an associate professor of medicine at the University of Auckland in New Zealand, “so if you have a normal diet, you don’t need to worry about your calcium intake.”

About OracleZents

Zents Kunle Sowunmi grew up in a working class environment of Ekotedo Ibadan, Nigeria. He is a bold writer on African and social issues. Fondly called the “The Oracle” on the social media, he said, it is all about speaking and writing the truth; fear is the surrogate for pain; address it when it comes. Zents holds an MBA from the University of Ibadan and several Post Graduate Certifications from United Kingdom and United States of America. He is a widely traveled writer and author of “Before the Journey Became Home”, Ogun State: Policy of manipulation, “President Obama: Hero or Villain of Capitalism?” The Vultures and Vulnerable, his new book "Unequally Yoking" is now on sale on amazon.com.
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