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Updated: May 26, 2026

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Published on: September 29, 2011
[Chronodisruption and ageing]
Elisabet Ortiz-Tudela1, María de los Ángeles Bonmatí-Carrión, Mónica De la Fuente
1Departamento de Fisiología, Facultad de Biología, Universidad de Murcia, Murcia, España.
Modern lifestyles disrupt our internal body clocks, causing chronodisruption (CD) and premature aging. Regular exposure to light, meals, and activities can prevent age-related CD.
Area of Science:
- Chronobiology
- Physiology
- Epidemiology
Context:
- Modern lifestyles promote nocturnal activity, reduce sleep, and cause time zone shifts (jet lag, shift work).
- This leads to chronodisruption (CD), a disturbance of circadian rhythms.
- CD is linked to metabolic syndrome, cardiovascular disease, cognitive impairment, cancer, and premature aging.
Purpose:
- To define chronodisruption (CD) and its health consequences.
- To explore the mechanisms of CD within the circadian system.
- To highlight the role of synchronizers in preventing age-related CD.
Summary:
- Chronodisruption (CD) is a significant disturbance of biochemical, physiological, and behavioral circadian rhythms.
- Epidemiological studies link CD from shift work, jet lag, and light exposure to various diseases and premature aging.
- Disturbances in the central pacemaker, peripheral oscillators, or their inputs/outputs can cause CD.
Impact:
- Understanding CD is crucial for public health, given its association with numerous chronic diseases.
- Identifying factors contributing to CD can inform interventions to mitigate health risks.
- Regularly timed environmental cues (synchronizers) can promote "chronoenhancement" and counteract age-related circadian disruption.
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