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解放后随着我国人民生活及医疗卫生水平的不断提高,平均寿命也由解放前的35岁上升到67.9岁,与发达国家水平相接近。老年人的问题也逐渐被人们所关注。衰老是整个生命的功能逐渐衰退变化,有些是单纯的生理变化,也有疾病的影响。营养素对这一过程的影响的研究虽然不多,但现已肯定了钙的摄取量对骨质疏松的关
After the liberation with the continuous improvement of people’s life and medical and health standards in our country, the average life expectancy rose from 35 years old before liberation to 67.9 years old, close to that of developed countries. The problem of the elderly is also gradually being people’s attention. Aging is the gradual decline of the function of the entire life changes, some simple physiological changes, but also the impact of disease. Although there are not many studies on the effect of nutrients on this process, it has been confirmed that the intake of calcium is related to osteoporosis