Vitamin D supplements don’t prevent bone fractures in healthy adults, study finds

Vitamin D supplements are widely recommended to prevent bone fractures in older adults — but a clinical trial, published Wednesday in the New England Journal of Medicine, found that they may not do much after all. 

In 2011, the National Academy of Medicine (then called the Institute of Medicine) recommended the general public get between 600 and 800 international units (IU) of vitamin D daily. That recommendation was based on past research showing that the vitamin may support bone health by aiding in calcium absorption and decreasing bone turnover, which causes bone deterioration.

Subsequent studies have yielded contradicting results; some concluded supplementing with vitamin D was beneficial, while one even found that high vitamin D levels caused by taking supplements could be harmful and cause more falls. Other trials have looked at both calcium and vitamin D together, making it difficult to analyze the vitamin’s effects on its own. 

That

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Finding health insurance prices for care is an ordeal : Shots

Insurers are complying with federal rules aimed at price transparency that took effect July 1, but consumer use of the data may have to wait until private firms synthesize it.

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Insurers are complying with federal rules aimed at price transparency that took effect July 1, but consumer use of the data may have to wait until private firms synthesize it.

DNY59/Getty Images

Data wonks with mighty computers are overjoyed. Ordinary consumers, not so much.

That’s the reaction about three weeks into a data dump of enormous proportions. Health insurers are posting their negotiated rates for just about every type of medical service they cover across all providers.

But so much data is flowing in from insurers — tens of thousands of colossal digital files from a single insurer is not unusual — that it could still be weeks before data firms put

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