The biology of appetite control : do resting metabolic rate and fat-free mass drive energy intake?

BLUNDELL, J.E., FINLAYSON, G., GIBBONS, C., CAUDWELL, P. and HOPKINS, Mark (2015). The biology of appetite control : do resting metabolic rate and fat-free mass drive energy intake? Physiology & Behavior, 152 (Part B), 473-478.

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The prevailing model of homeostatic appetite control envisages two major inputs; signals from adipose tissue and from peptide hormones in the gastrointestinal tract. This model is based on the presumed major influence of adipose tissue on food intake. However, recent studies have indicated that in obese people fat-free mass (FFM) is strongly positively associated with daily energy intake and with meal size. This effect has been replicated in several independent groups varying in cultural and ethnic backgrounds, and appears to be a robust phenomenon. In contrast fat mass (FM) is weakly, or mildly negatively associated with food intake in obese people. In addition resting metabolic rate (RMR), a major component of total daily energy expenditure, is also associated with food intake. This effect has been replicated in different groups and is robust. This action is consistent with the proposal that energy requirements — reflected in RMR (and other aspects of energy expenditure) constitute a biological drive to eat. Consistent with its storage function, FM has a strong inhibitory effect on food intake in lean subjects, but this effect appears to weaken dramatically as adipose tissue increases. This formulation can account for several features of the development and maintenance of obesity and provides an alternative, and transparent, approach to the biology of appetite control.

Item Type: Article
Research Institute, Centre or Group - Does NOT include content added after October 2018: Centre for Sport and Exercise Science
Identification Number:
Page Range: 473-478
Depositing User: Alison Beswick
Date Deposited: 02 Oct 2015 09:21
Last Modified: 18 Mar 2021 03:59

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