International Handbook of Behavior Modification and Therapy

pp 449-473


  • Thomas A. WaddenAffiliated withDepartment of Psychiatry, University of Pennsylvania School of Medicine
  • , Susan T. BellAffiliated withGraduate School of Education, University of Pennsylvania

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Obesity is a puzzling disorder. It is easily defined and diagnosed, and its treatment could not seem more straightforward—eat less and exercise more. And yet more than 25% of Americans are significantly overweight (Van Itallie, 1985).