Vitamin D

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Sun-drenched Australians still in need of vitamin D supplementation

By RJ Whitehead

Guidance by an independent British committee of experts that advises everyone to take the so-called “sunshine vitamin” whatever the weather has been well received in Australia, where up to 58% of people suffer from vitamin D deficiency in spite of its...

Vitamin D not helpful for adult asthmatics

Science short

Vitamin D not helpful for adult asthmatics

By Shane STARLING

Asthmatic adults with low-vitamin D status do not benefit from vitamin D3, a study published in the Journal of the American Medical Association (JAMA) has found.

Dr Heike Bischoff-Ferrari: “…we question if we get better answers from meta-analyses of meta-analyses without addressing what has repeatedly demonstrated before - that conclusions drawn from meta-analyses of vitamin D trials vary greatly as a function of the trials included, adherence and dose.”

“Which way up was the umbrella? Did this review collect knowledge or shield us from it?”

BMJ vitamin D research attacked: 'un-nuanced', 'flawed', 'irresponsible'

By Shane STARLING

The ‘umbrella’ review of vitamin D studies that found a myriad of health links for the sunshine vitamin were unconfirmed in the scientific literature, has been criticised for containing too many flawed studies that warped the overall findings.

BMJ: Vitamin D, “might not be as essential as previously thought in maintaining bone mineral density.”

BMJ: Vitamin D benefits unconfirmed – even bone density

By Shane STARLING

Vitamin D’s health links including its ability to boost bone density are not backed in the scientific literature, the British Medical Journal has found after an extensive review of published studies on the nutrient.

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