Dhurandhar Emily J
Department of Kinesiology and Sport Management, Texas Tech University, United States.
Physiol Behav. 2016 Aug 1;162:88-92. doi: 10.1016/j.physbeh.2016.04.025. Epub 2016 Apr 26.
Food insecurity is paradoxically associated with obesity in the United States. Current hypotheses to explain this phenomenon are descriptive regarding the low food security population's dietary and physical activity habits, but are not mechanistic. Herein it is proposed that a resource scarcity hypothesis may explain this paradox, such that fattening is a physiologically regulated response to threatened food supply that occurs specifically in low social status individuals. Evidence that this may be occurring, the implications for addressing the food insecurity-obesity paradox, and future areas of research, are reviewed and discussed.
在美国，粮食不安全与肥胖症存在着自相矛盾的关联。当前用于解释这一现象的假设只是描述了粮食安全程度低的人群的饮食和身体活动习惯，而非从机制层面进行阐述。本文提出，资源稀缺假说或许可以解释这一矛盾现象，即肥胖是对粮食供应受到威胁的一种生理调节反应，且这种反应尤其发生在社会地位较低的个体身上。本文将对这一现象可能正在发生的证据、解决粮食不安全与肥胖症矛盾的意义以及未来的研究方向进行综述和讨论。
