Weight watchers is one of the many different weight loss diets that allows its followers to choose what they eat, but they must keep track of intake and learn to control portions. Weight watchers works on a points system, and each food is given a certain point value. Each Weight watchers diet follower will determine how many points they should consume each day, which varies depending on body type as well as desired weight loss. There are several books and cookbooks with information about how different types of foods are scored, and members can even attend meetings to speak with fellow weight watchers followers. The weight watchers program is designed to teach individuals how to eat healthy foods in healthy portions, and make it a lifestyle change rather than just a crash diet.