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Intrasexual Competition And Other Theories Of Eating Restriction, Norman P. Li, April R. Smith, Jose C. Yong, Tiffany A. Brown
Intrasexual Competition And Other Theories Of Eating Restriction, Norman P. Li, April R. Smith, Jose C. Yong, Tiffany A. Brown
Research Collection School of Social Sciences
Various forms of disordered eating and unhealthy eating practices, including excessive dieting, vomiting, binging and purging, and diet-motivated drug use, negatively affect and are potentially fatal to millions of individuals. We describe the etiology of disordered eating as well as various hypotheses on this phenomenon, both from traditional, non-evolutionary perspectives and from evolutionary perspectives. In particular, we explore in detail the intrasexual competition hypothesis, which draws on a broad evolutionary theory: intrasexual selection. From this perspective, women are thought to have evolved to compete intrasexually on thinness, which would have indicated youth and nubility in the ancestral past (Abed, 1998). …