What is a diet? Pranksters claim that diet is just one of the means that improves appetite. Seriously speaking, a diet is a food diet specially selected in terms of quantity, chemical composition (energy value) and culinary processing, as well as a diet. The Encyclopedia of Popular Diets disc is a unique publication that contains the most popular and effective diets for all occasions. Now you can easily choose a diet to your taste! Choose any, because there are more than fifty of them on one disk: