饥与饱3:7几乎所有专家都建议,饭要吃到七八分饱。老人代谢能力下降,热量消耗减少,更要适当少吃。对广西巴马长寿老人生活方式研究发现,长寿老人平均每天的热量摄入量维持在1400~1900卡路里,远低于成人2400卡路里平均水平。通常认为,老人早饭和午饭应吃大约八分饱;晚饭略少些,七分饱即可。要做到科学饮食,还需对早、中、晚饭数量进行合理分配。一般 Hunger and Satiety 3: 7 Almost all experts have suggested that the food should be eaten by seven or eight full. Elderly metabolic decline, reduce calorie consumption, but also appropriate to eat less. The study of longevity elderly lifestyle in Guangxi Bama found that the average daily caloric intake of longevity elderly maintained at 1400 to 1900 calories, well below the average adult 2,400 calories. Generally believed that the elderly should eat breakfast and lunch about eight full; slightly less supper, seven full can be. To achieve a scientific diet, but also the number of early, middle and dinner to be rationally allocated. general