Dietary Calcium Supplementation and Blood Pressure

To the Editor. —The article by Dr Bucher and colleagues1 adds more confusion and raises more questions than ever on the issue of whether calcium supplementation lowers blood pressure. Yet again, the new meta-analysis claims better quality of methods as compared with previous ones,2,3 while at the same time, another meta-analysis is published in a different medical journal.4 Is there any value in overloading the scientific literature with …