In industrialized countries, knowing how to feed is essential. Checking the origin of food before buying it is fundamental to stay in good health. What are the basic food (water, salt, sugar, oil, milk, fats, bread) how choosing the best quality ? What is industrial food (sodas, ‘energizing’ drinks, daily products, biscuits, candy, etc made of ? How to distinguish right from wrong ? How works the food-processing industry (animal breeding, hormones, fertilizers, pesticides, GMO (Genetically Modified Organism), fluorine) ? This book is for all readers. It doesn’t intended to influence our buying trend toward such type of food but rather to awake and guide the reader in his discernment of good senses. It also contains a small practical guide on food and lifestyle with basic advices, traps to be avoided and benefits of Mediterranean diet.