BMJ  2006;333:763-764 (14 October), doi:10.1136/bmj.38996.499410.BE

Editorial

Bone health in children

Guidelines for calcium intake should be revised

The first 150 words of the full text of this article appear below.

Conventional wisdom, public policy on nutrition in many westernised countries, and advertisements for dairy products link increased consumption of calcium to better bone health and prevention of osteoporosis in later life. However, a meta-analysis by Winzenberg and colleagues in this week's BMJ shows that calcium supplementation in children is unlikely to result in a clinically relevant decrease in the risk of fracture in childhood or in later life.¹

Previous research has questioned whether increasing calcium intake through diet or supplements benefits children's or young adults' bones. Exercise significantly increased bone density and bone strength, but calcium intake between 500 and 1500 mg had no effect on the same outcomes in adolescent girls studied prospectively for 12 years as they passed into young adulthood.² Of three qualitative reviews of literature published in this decade, two concluded that it is not known whether the modest increments in rate of bone gain . . . [Full text of this article]

Department of Health and Wellness, CPO 2730, University of North Carolina Asheville, Asheville, NC 28806, USA
(alanou@unca.edu)

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