We often hear about the clear-cut, negative influences that contribute to eating disorders, but rarely hear about the more complex influences that affect the self-image of those who suffer from such diseases. Meet Emily, who was featured on a recent episode of Intervention. Emily had a considerable amount of trauma in her life (her parents' divorce, surviving an assault), but an issue that kept returning over and over was that she never felt like she measured up to her successful identical twin sister, Tiffany. Her way of controlling her life, and creating an individual identity away from Tiffany, was to starve herself. Clip above.