Exercise and melatonin in humans: Reciprocal benefits

Germaine Escames, Guler Ozturk, Beatriz Baño-Otálora, María J. Pozo, Juan A. Madrid, Russel J. Reiter, Eric Serrano, Melquiades Concepción, Dario Acuña-Castroviejo

Research output: Contribution to journalReview articlepeer-review

69 Scopus citations

Abstract

The aim of this review is to update the reader as to the association between physical exercise and melatonin, and to clarify how the melatonin rhythm may be affected by different types of exercise. Exercise may act as a zeitgeber, although the effects of exercise on the human circadian system are only now being explored. Depending on the time of the day, on the intensity of light, and on the proximity of the exercise to the onset or decline of the circadian production of melatonin, the consequence of exercise on the melatonin rhythm varies. Moreover, especially strenuous exercise per se induces an increased oxidative stress that in turn may affect melatonin levels in the peripheral circulation because indole is rapidly used to combat free radical damage. On the other hand, melatonin also may influence physical performance, and thus, there are mutually interactions between exercise and melatonin production which may be beneficial.

Original languageEnglish (US)
Pages (from-to)1-11
Number of pages11
JournalJournal of pineal research
Volume52
Issue number1
DOIs
StatePublished - Jan 2012

Keywords

  • biological clock
  • melatonin circadian rhythm
  • physical exercise

ASJC Scopus subject areas

  • Endocrinology

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