There is a significant positive association between dietary calcium intake and benign prostatic hyperplasia (BPH), according to a study. Hongyuan Chang and colleagues used data from the National Health and Nutrition Examination Survey conducted from 2003 to 2008 to examine the association between dietary calcium intake and the risk of BPH. Data was included for 590 men aged 40 years and older, of whom 138 had BPH. The researchers found that a higher dietary calcium intake was associated with increased risk of BPH after adjustment for all covariates (odds ratio, 1.05). In subgroup analyses, the investigators found that the association...