限食疗法的研究进展

Progress of calorie restriction therapy

热量限制（限食）是减少每日能量的摄入但不致营养不良从而达到改善机体代谢的一种治疗方法.70多年来,人们不断深入地探索限食对人类健康的益处.基于模式生物（线虫、酵母菌等）、啮齿类动物乃至人类的研究均已证明,限食是一种有效的延缓衰老并阻止慢性疾病发展的营养干预疗法.

Calorie restriction refers to a dietary regimen low in calories without malnutrition.During the recent 70 years,the benefit of calorie restriction regimen has been explored extensively.Work in widely diverse species,from model organism to rodents even human beings,has demonstrated that calorie restriction is an effective nutritional intervention for retarding aging and preventing chronic diseases.