膳食钙的摄入对绝经后妇女的骨质疏松症究竟有无预防和治疗作用，目前还存在争议，但许多近期研究已经证明钙对附件皮质部位、脊柱、够部和全身骨丢失都能发挥有益作用。作者进一步研究了补钙对骨密度的长期影响。受试者为86例绝经已达3年以上的健康女性。试验采取随机、双盲、 Dietary calcium intake is still controversial for the prevention and treatment of osteoporosis in postmenopausal women, but many recent studies have shown that calcium can exert its effects on the cortical parts of the appendix, the spine, the foot and the whole body. Beneficial effect The authors further studied the long-term effects of calcium supplementation on bone mineral density. The subjects were 86 healthy women who had been in menopause for more than 3 years. The trial took a randomized, double-blind,