尤其是年老体弱，胃肠功能减退者，每日以4 ~ 5餐为佳，每次以六七成饱为好。
Especially the frail elderly, gastrointestinal dysfunction, with 4 to 5 meals a day is better, each with Liu Qicheng full as well.
芝加哥大学的研究者发现维生素B3，也就是俗称的烟酸，能够对抗老年进行性精神功能衰退疾病—阿尔茨海默症以及老年认知功能减退。
Vitamin B3, commonly known as niacin, may protect against Alzheimer's disease and aging.
高烟酸摄入者中认知功能减退的发生率差不多只是低烟酸摄入者的一半（44%）。
The rate of cognitive decline among the high-niacin eaters was almost half (44 percent) that of those consuming less niacin.
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