人在进入老年之后,机体内的新陈代谢功能逐渐缓慢,基础代谢率降低,加之活动量趋少,热量消耗也随之递减,所以老年人应适当减少饭量,以减少身体热量的来源。 老年人宜实行“已饥方食,未饱即止”的饮食原则,也就是说,当感到肚子饿了才去进餐,还没感到太饱时就停止。少食有利于益寿延年,主要有几个原因: 少食有利于延缓大脑的衰老,推迟脑血管硬化。因为少食可以减少一种因饱食而急速增长的 After entering the elderly, the metabolic function of the body gradually slowed down, the basal metabolic rate decreased, coupled with less active, calorie consumption also will decrease, so the elderly should reduce appetite, in order to reduce the source of body heat. The elderly should practice the principle of “having a hungry meal while they are still hungry”, that is, when they feel hungry, they will not eat until they feel too full. Eat less beneficial to longevity, there are several main reasons: Eat is conducive to delaying the aging of the brain, delayed cerebral vascular sclerosis. Eat less because it can reduce the rapid growth due to a full stomach