From circulation to digestion to excretion, a circadian clock synchronizes most aspects of mammalian physiology with the solar day. During normal ageing, this daily coordination gradually erodes, and during pathological ageing such erosion is exacerbated. Recent experiments suggest that therapies aimed at sustaining circadian function increase quality of life in elderly patients. Hence, a better understanding of the interactions between the circadian clock and ageing – at both cellular and systemic levels – could lead to direct benefits for aged individuals.

Keywords:
Circadian rhythm, Biological clock, Physiology
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© 2010 S. Karger AG, Basel
2010
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