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Effect of extended morning fasting upon ad libitum lunch intake and associated metabolic and hormonal responses in obese adults

Chowdhury, E.A.; Richardson, J.D.; Tsintzas, Kostas; Thompson, D.; Betts, J.A.

Authors

E.A. Chowdhury

J.D. Richardson

D. Thompson

J.A. Betts



Abstract

Background/Objectives:

Breakfast omission is positively associated with obesity and increased risk of disease. However, little is known about the acute effects of extended morning fasting upon subsequent energy intake and associated metabolic/regulatory factors in obese adults.
Subjects/Methods:

In a randomised cross-over design, 24 obese men (n=8) and women (n=16) extended their overnight fast by omitting breakfast consumption or ingesting a typical carbohydrate-rich breakfast of 2183±393 kJ (521±94 kcal), before an ad libitum pasta lunch 3 h later. Blood samples were obtained throughout the day until 3 h post lunch and analysed for hormones implicated in appetite regulation, along with metabolic outcomes and subjective appetite measures.
Results:

Lunch intake was unaffected by extended morning fasting (difference=218 kJ, 95% confidence interval −54 kJ, 490 kJ; P=0.1) resulting in lower total intake in the fasting trial (difference=−1964 kJ, 95% confidence interval −1645 kJ, −2281 kJ; P

Journal Article Type Article
Journal International Journal of Obesity
Print ISSN 0307-0565
Electronic ISSN 1476-5497
Publisher Nature Publishing Group
Peer Reviewed Peer Reviewed
Volume 40
Issue 2
APA6 Citation Chowdhury, E., Richardson, J., Tsintzas, K., Thompson, D., & Betts, J. (in press). Effect of extended morning fasting upon ad libitum lunch intake and associated metabolic and hormonal responses in obese adults. International Journal of Obesity, 40(2), https://doi.org/10.1038/ijo.2015.154
DOI https://doi.org/10.1038/ijo.2015.154
Publisher URL https://www.nature.com/ijo/journal/v40/n2/full/ijo2015154a.html
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0





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