本文集中讨论当今营养与老年人的关系问题。这些内容包括维生素和矿物质着重于钙和维生素D、微量元素、蛋白质和脂类。同时专门对老年人不同的饮食做了探讨，最后讨论了营养不良和脱水的临床重要表现。一、年龄变化和营养的关系随年龄增长对食盐的味觉敏感性减低并对甜味、酸味 This article focuses on the current relationship between nutrition and the elderly. These include vitamins and minerals that focus on calcium and vitamin D, trace elements, proteins and lipids. At the same time, the different diet of the elderly were discussed. Finally, the clinical manifestations of malnutrition and dehydration were discussed. First, the relationship between age changes and nutrition With age, reduce the taste sensitivity of salt and sweetness, sour