埃及爱资哈尔大学营养系教授穆斯塔法·阿卜杜勒·拉扎克·努福尔博士根据营养结构学向读者介绍保持身体健康和体态苗条的十大原则.基本要点是每餐减少三分之一的卡路里的同时,保持人体所需的营养如蛋白质,维生素和矿物盐等. Dr. Mustafa Abdul Razak Nafar, Professor of Nutrition, University of Al-Azhar, Egypt, introduced to the reader the ten principles of maintaining good health and physical fitness based on nutrition structure. The basic principle is that every meal Reduce one-third of calories at the same time, to maintain the body’s nutritional needs such as protein, vitamins and mineral salts.