1、适度饥饿,淡食杂食。人体每天只要摄取7×103焦耳的热量,就足以维持细胞正常的生理活动。实验证实:吃得较少的老鼠比吃得多的同龄伙伴存活的时间高出1倍左右。2、睡眠充足,环境凉爽。中老年人要学会有规律地生活,做到按时就寝、按时起床,保证每日7～8小时的睡眠时间。医学家 1, moderate hunger, light food omnivorous. As long as the human body as long as the intake of 7 × 103 joule of heat, it is sufficient to maintain the normal physiological activity of cells. Experiments confirmed that: eat less mice than eat the same age partners more than 1 times the time of survival. 2, adequate sleep, cool environment. The elderly should learn to live regularly, so that they go to bed on time and get up on time to ensure that the daily sleep time of 7 to 8 hours. Medical scientists