食物是人类的生命之源,其中的各种营养物质是确保身体健康的必需之物。但要让食物充分发挥其特有的效应,还必须做到食之有理,调之有方,用其利,避其害。现在介绍一些老年人防治疾病、增强体质的食物,以供参 Food is the source of human life, and the various nutrients therein are necessary to ensure good health. However, for the food to give full play to its peculiar effect, it must also be rationally eaten, well-adjusted and use its benefits to avoid its harm. Now introduce some elderly people to prevent diseases, enhance physical fitness for reference