All obese people want to lose weight. But they do not understand the science behind this weight gain and loss. They do not know which foods are helpful for loosing weight and which are for gaining weight. Seeing the lucrative advertisements from slimming centers they empty their pockets and join them in the hope of losing weight. They lose weight and gain them back after they discontinue the slimming centres — as the knowledge is still missing. This book is an attempt to educate the people who really want to lose weight on their own.