Anorexia nervosa rising prevalence of eating disorders in adolescence are "increase of adipose tissue in girls, hormonal changes of puberty, societal expectations of increased independence and autonomy that are particularly difficult for anorexic adolescents to meet; [and] increased influence of the peer group and its values." Early theories of the cause of anorexia linked it to childhood sexual abuse or dysfunctional families; evidence is conflicting, and well-designed research is needed. The fear of food is known as "sitiophobia", "cibophobia", or "sitophobia" and is part of the differential diagnosis. Other psychological causes of anorexia include low self-esteem, feeling like there is lack of
Fear Is the Key force him to provide the necessary resources. Talbot has been working for the authorities all along and convinces Vyland and Royale that he is now ready to die on the ocean floor beside his family, eliciting a terror-stricken confession from the two men (their fear of death being the key that unlocks the confession) which is relayed to witnesses on the oil platform. Talbot then returns to the oil platform, where Vyland throws himself to his death from a ladder. Royale survives to be tried and sentenced to death and Talbot, politely turning down General Ruthven's offer of any reward