The number of Fast food chains is increasing, since new brands come up with new easy food every day. Due to several reasons, this type of resturant is becoming popular: the economic food, the fast service and the knowledge of the menu before getting there. The unexpensive outcomes came from a cheaper production, where animals are treated in bad conditions, without any freedom and eating chemical feed for getting fatter. Therefore, those drug provoke disease to clients, more often, habitual clients.