老年医学是临床医学的一个新分枝。近年来引起国内外学者的普遍重视,许多国家相继建立了老年学会和老年病学会。在老化起因问题上,提出了“遗传学说、生物钟学说、自由基学说、蛋白质的交叉结合、内分泌系统的失调、免疫功能的改变、溶酶体膜 Geriatrics is a new branch of clinical medicine. In recent years, it has aroused widespread attention of scholars at home and abroad, and many countries have established the Association for Gerontology and Geriatrics. In the cause of aging, put forward the "theory of genetics, biological clock theory, radical theory, cross-binding of proteins, endocrine system disorders, changes in immune function, lysosomal membranes