【摘要】 原发性骨质疏松症发病的原因可能有：雌激素缺乏、细胞因子的作用、甲状旁腺激素增多、维生素 D不足、降钙素降低及雄激素缺乏等。营养因素如长期钙和蛋白的营养缺乏，废用因素、遗传因素等亦与骨质疏松有关。更多还原

【Abstract】 Osteoporosis is the most common generalized disorder of bone and affects hundreds of millions of women and men worldwide. But it involves more men than women and its morbidity varies with age. The causes of primary steoporosis may be of estrogen deficiency, effects of cytokines, elevated level of parathyroid hormone, insufficiency of vitamin D, lowered level of calcitonin and insufficiency of androgen, etc.Nutritional factors can also cause osteoporosis, for instance, long term deficiency of calcium and protein.Uselessness of bone and inheritance also have relation with osteoporosis. Therefore,combined therapy and methods should be rsed for prevention and treatment of osteoporosis.更多还原