Dietary calcium intake fails to meet recommended levels in virtually all categories of Americans.1,2 The health implications of this trend were recently addressed by a National Institutes of Health Consensus Conference,2 which noted that several other common medical conditions besides osteoporosis are associated with low dietary calcium intake. The articles by Bucher et al3,4 in this issue and the April 3 issue of The Journal focus on one of these conditions: increased arterial pressure. These meta-analyses of randomized controlled trials of blood pressure and calcium levels in 2412 in the April 3, 1996, issue. adults and in 2459 pregnant women provide compelling evidence that both normotensive and hypertensive individuals may experience reductions in blood pressure when calcium intake is increased.
Do these reports represent this week's favorite nutrient-disease relationship, only to be cast aside when a subsequent study fails to
See also p 1113 and p 1016
McCarron DA, Hatton D. Dietary Calcium and Lower Blood PressureWe Can All Benefit. JAMA. 1996;275(14):1128-1129. doi:10.1001/jama.1996.03530380070035