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Rationale for novel intermittent dieting strategies to attenuate adaptive responses to energy restriction

Citation

Sainsbury, A and Wood, RE and Seimon, RV and Hills, AP and King, NA and Gibson, AA and Byrne, NM, Rationale for novel intermittent dieting strategies to attenuate adaptive responses to energy restriction, Obesity Reviews, 19, (S1) pp. 47-60. ISSN 1467-7881 (2018) [Refereed Article]

Copyright Statement

Copyright 2018 World Obesity Federation

DOI: doi:10.1111/obr.12787

Abstract

Eating patterns involving intermittent energy restriction (IER) include 'intermittent fasting' where energy intake is severely restricted for several 'fasting' days per week, with 'refeeding' days (involving greater energy intake than during fasting days) at other times. Intermittent fasting does not improve weight loss compared to continuous energy restriction (CER), where energy intake is restricted every day. We hypothesize that weight loss from IER could be improved if refeeding phases involved restoration of energy balance (i.e. not ongoing energy restriction, as during intermittent fasting). There is some evidence in adults with overweight or obesity showing that maintenance of a lower weight may attenuate (completely or partially) some of the adaptive responses to energy restriction that oppose ongoing weight loss. Other studies show some adaptive responses persist unabated for years after weight loss. Only five randomized controlled trials in adults with overweight or obesity have compared CER with IER interventions that achieved energy balance (or absence of energy restriction) during refeeding phases. Two reported greater weight loss than CER, whereas three reported similar weight loss between interventions. While inconclusive, it is possible that achieving energy balance (i.e. avoiding energy restriction or energy excess) during refeeding phases may be important in realizing the potential of IER.

Item Details

Item Type:Refereed Article
Keywords:diet-reducing, intermittent energy restriction, intermittent fasting, obesity
Research Division:Medical and Health Sciences
Research Group:Nutrition and Dietetics
Research Field:Nutritional Physiology
Objective Division:Health
Objective Group:Public Health (excl. Specific Population Health)
Objective Field:Nutrition
UTAS Author:Wood, RE (Dr Rachel Wood)
UTAS Author:Hills, AP (Professor Andrew Hills)
UTAS Author:Byrne, NM (Professor Nuala Byrne)
ID Code:130619
Year Published:2018
Web of Science® Times Cited:1
Deposited By:Medicine
Deposited On:2019-02-06
Last Modified:2019-08-20
Downloads:0

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