To the Editor In a recent report, Xiao et al1 discuss the outcome of the National Institutes of Health (NIH)–AARP Diet and Health Study, which evaluated the role of calcium intake on cardiovascular health. The outcome of the study revealed that intake of 1000 mg/d of supplemental calcium was associated with significant increase in cardiovascular mortality in men but not in women.
Theuwissen E, Badmaev V, Vermeer C. Dietary and Supplemental Calcium Intake and Mortality. JAMA Intern Med. 2013;173(19):1841. doi:10.1001/jamainternmed.2013.9260