热量过多、营养不当固然有害,但节食不当、限食过度亦属不妥。营养学家Mccay、Weindruen等曾认为,减少食物营养摄入可以延长机体寿命,延缓衰老进程、增强机体免疫功能等。有些人由此认为节食是延年益寿、强身健美的有效手段。其实,这是一种偏见,因为限食和节食都对机体产生不良效应,阻碍机体的生长发育,抑制动物的生殖能力。最近,我国同济医科大学营养与食品卫生学教研室孙秀发教授等,对小鼠进行节食研 Excessive heat, malnutrition, of course harmful, but improper diet, excessive food restriction is also inappropriate. Nutritionist Mccay, Weindruen, who once thought that reducing dietary intake of nutrients can extend the life of the body, anti-aging process and enhance immune function. Some people think that diet is an effective means of longevity, physical fitness. In fact, this is a prejudice, because food restriction and diet have adverse effects on the body, hinder the body’s growth and development, inhibit the reproductive capacity of animals. Recently, our country Tongji Medical University Nutrition and Food Hygiene Professor Sun Xiu-Fa, etc., the mice dieting Research