Osteoporosis is a bone-thinning disease that disfigures and debilitates millions of middle aged and elderly people around the world, most of them women.

• 骨质疏松是一种以骨量减少、骨的显微结构受损、骨骼脆性增加为特征而发病于世界上数以万计的中、老年群体中的疾病，尤以妇女居多。