Universität zu Köln

Lewis, Philip, Oster, Henrik, Korf, Horst W., Foster, Russell G. and Erren, Thomas C. (2020). Food as a circadian time cue - evidence from human studies. Nat. Rev. Endocrinol., 16 (4). S. 213 - 224. NEW YORK: NATURE PUBLISHING GROUP. ISSN 1759-5037

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Abstract

Meal timing and composition are frequently reported in the literature as zeitgebers (that is, time cues) for the circadian system of humans and animal models, albeit secondary to light. Although widely assumed to be true, evidence for food zeitgeber effects specific to humans is notably scarce. Fostering zeitgeber hygiene in the general population as the development and practice of healthy use of zeitgebers could potentially reduce chronobiological strain, which is defined as disruption or misalignment within the circadian system. Such chronobiological strain is associated with modern 24/7 lifestyles (for example, shift work) and several negative health outcomes. Adjustments to meal timing and composition are an attractive strategy to synchronize circadian rhythms and develop zeitgeber hygiene. Thus, clarifying the actual effect of meal timing and composition on the human circadian system is a crucial piece of the human chronobiology puzzle. This Review weighs the evidence from human studies pertaining to the hypothesis that food is a circadian zeitgeber by comparing findings against formal zeitgeber criteria put forward by Jurgen Aschoff in the 1950s. Food is widely assumed to be a zeitgeber, or time cue, for the human circadian system; however, evidence from human trials is scarce. This Review highlights evidence from human studies that food is a zeitgeber and compares findings against formal zeitgeber criteria.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Lewis, Philip UNSPECIFIED UNSPECIFIED UNSPECIFIED Oster, Henrik UNSPECIFIED UNSPECIFIED UNSPECIFIED Korf, Horst W. UNSPECIFIED UNSPECIFIED UNSPECIFIED Foster, Russell G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Erren, Thomas C. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-344876
DOI:	10.1038/s41574-020-0318-z
Journal or Publication Title:	Nat. Rev. Endocrinol.
Volume:	16
Number:	4
Page Range:	S. 213 - 224
Date:	2020
Publisher:	NATURE PUBLISHING GROUP
Place of Publication:	NEW YORK
ISSN:	1759-5037
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language JAPANESE INFANTS; DIURNAL RHYTHM; NON-CONE; NON-ROD; LIGHT; SLEEP; CHRONODISRUPTION; ENTRAINMENT; MELATONIN; INSULIN Multiple languages Endocrinology & Metabolism Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/34487