過食が始まる拒食の特徴［臨床］その後に過食が始まりやすい神経性やせ症の特徴5選

This article provides a detailed explanation of the mechanism by which extreme dietary restrictions can trigger binge eating as a rebound effect. Anorexia nervosa exists in two forms: one characterized by persistent dietary restriction and another involving binge eating and purging. Approximately 40% of individuals transition from the restrictive form to the binge-eating form. We will explore the risk factors by examining five key aspects: initial weight, timing of menarche, the intensity of dissatisfaction with body image, and high levels of impulsivity. Of particular note is the biological defense mechanism known as the "starvation response" triggered by prolonged hunger. Understanding the ironic structure where avoiding food out of fear of binge eating can actually trigger future binge eating is a significant step towards recovery. From a psychiatrist's perspective, we will discuss the importance of objectively assessing one's own situation and striving for stable food intake. Reference Peat, C., Mitchell, J. E., Hoek, H., & Wonderlich, S. (2009). Validity and utility of subtyping anorexia nervosa. International Journal of Eating Disorders, 42(7), 590–594. https://doi.org/10.1002/eat.20717 Serra, R., Di Nicolantonio, C., Di Febo, R., De Crescenzo, F., Vanderlinden, J., Vrieze, E., Bruffaerts, R., Loriedo, C., Pasquini, M., & Tarsitani, L. (2022). The transition from restrictive anorexia nervosa to binging and purging: a systematic review and meta-analysis. Weight Disorders - Studies on Anorexia, Bulimia and Obesity, 27, 857–865. https://doi.org/10.1007/s40519-021-01...