Doctors slam calcium and vitamin D conflict of interest

Two New Zealand doctors have lambasted academics, advocacy organisations and companies that recommend calcium and vitamin D supplements to prevent or treat osteoporosis despite evidence that they don’t work.

They write in the BMJ that a focus on profit and vested interests over evidence-based research is fuelling this misguided advice.

Drs Andrew Grey and Mark Bolland from the University of Auckland argue that some prominent academics and specialist societies have undeclared commercial and academic conflicts of

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