一、惊人的发病率,严重的病理转归骨质疏松是因骨量(主要是钙盐)减少而致的骨强度异常。老年人,尤其是绝经后的妇女,几乎普遍患有此症。据统计,45岁以上女性发病率是29%;而70岁以上者,则高达70%。由于该症所致骨骼韧性下降,脆性增加,加 First, the alarming incidence of severe pathological changes of osteoporosis is due to bone mass (mainly calcium) decreased due to abnormal bone strength. Elderly people, especially those after menopause, are almost universally affected with this disease. According to statistics, the incidence of women over the age of 45 is 29%; while those over the age of 70, up to 70%. Due to the disease caused by decreased bone toughness, increased brittleness, plus