Many people begin to pay attention to their diets to lose weight and maintain health. But, we are often overwhelmed by too many theories and diet programs. This book analyzes essential dietary nutrients such as fats, protein, and vitamins. By analyzing the effects of various diets, it eliminates many of the misunderstandings surrounding food. It provides us with useful dietary advice, which can help us identify the key factors affecting health and obesity, as well as create healthy diets to suit our needs .