The obvious answer to the question “Why do we eat?” is that we get hungry and we need food to survive. If this were the only stimulus for eating, none of us would have a weight problem. We have an appetite because this desire for food encourages us to eat, and eating is necessary for life. If we did not have an appetite, then we would have no stimulus to eat and we would die. The problem is that there are many other stimuli besides survival that arouse our appetite. These stimuli include psychological and environmental factors, and it is these additional factors that are primarily responsible for the problem of overeating. Here we will focus on the factors that contribute to our desire to overeat.
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- Stephen Langer and James F. Scheer, Solve the Riddle of Weight Loss. Rochester, VT: Healing Arts Press, 1989.Google Scholar