A 20-year longitudinal study of body weight, dieting, and eating disorder symptoms.

@article{Keel2007A2L,
  title={A 20-year longitudinal study of body weight, dieting, and eating disorder symptoms.},
  author={Pamela K. Keel and Mark G. Baxter and Todd F. Heatherton and Thomas E. Joiner},
  journal={Journal of abnormal psychology},
  year={2007},
  volume={116 2},
  pages={
          422-32
        }
}
The article describes a 20-year longitudinal study of body weight, dieting, and disordered eating in women and men. Body weight increased significantly over time in both women and men. However, women's weight perception and dieting frequency decreased over time, whereas men's weight perception and dieting frequency increased, and disordered eating declined more in women than in men from late adolescence to midlife. In both women and men, changes in weight perception and dieting frequency were… 

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