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“Shedding Light on Light”: A Review on the Effects on Mental Health of Exposure to Optical Radiation

Author

Listed:
  • Davide Elia Bertani

    (Department of Biomedical & Metabolic Sciences and Neuroscience, School of Specialization in Psychiatry, University of Modena & Reggio Emilia, 41124 Modena, Italy)

  • Antonella Maria Pia De Novellis

    (Department of Biomedical & Metabolic Sciences and Neuroscience, School of Specialization in Psychiatry, University of Modena & Reggio Emilia, 41124 Modena, Italy)

  • Riccardo Farina

    (Department of Biomedical & Metabolic Sciences and Neuroscience, School of Specialization in Psychiatry, University of Modena & Reggio Emilia, 41124 Modena, Italy)

  • Emanuela Latella

    (Department of Biomedical & Metabolic Sciences and Neuroscience, School of Specialization in Psychiatry, University of Modena & Reggio Emilia, 41124 Modena, Italy)

  • Matteo Meloni

    (Department of Biomedical & Metabolic Sciences and Neuroscience, School of Specialization in Psychiatry, University of Modena & Reggio Emilia, 41124 Modena, Italy)

  • Carmela Scala

    (Department of Biomedical & Metabolic Sciences and Neuroscience, School of Specialization in Psychiatry, University of Modena & Reggio Emilia, 41124 Modena, Italy)

  • Laura Valeo

    (Department of Biomedical & Metabolic Sciences and Neuroscience, School of Specialization in Psychiatry, University of Modena & Reggio Emilia, 41124 Modena, Italy)

  • Gian Maria Galeazzi

    (Department of Biomedical & Metabolic Sciences and Neuroscience, School of Specialization in Psychiatry, University of Modena & Reggio Emilia, 41124 Modena, Italy)

  • Silvia Ferrari

    (Department of Biomedical & Metabolic Sciences and Neuroscience, School of Specialization in Psychiatry, University of Modena & Reggio Emilia, 41124 Modena, Italy)

Abstract

In relation to human health and functioning, light, or more specifically optical radiation, plays many roles, beyond allowing vision. These may be summarized as: regulation of circadian rhythms; consequences of direct exposure to the skin; and more indirect effects on well-being and functioning, also related to lifestyle and contact with natural and urban environments. Impact on mental health is relevant for any of these specifications and supports a clinical use of this knowledge for the treatment of psychiatric conditions, such as depression or anxiety, somatic symptom disorder, and others, with reference to light therapy in particular. The scope of this narrative review is to provide a summary of recent findings and evidence on the regulating functions of light on human beings’ biology, with a specific focus on mental health, its prevention and care.

Suggested Citation

  • Davide Elia Bertani & Antonella Maria Pia De Novellis & Riccardo Farina & Emanuela Latella & Matteo Meloni & Carmela Scala & Laura Valeo & Gian Maria Galeazzi & Silvia Ferrari, 2021. "“Shedding Light on Light”: A Review on the Effects on Mental Health of Exposure to Optical Radiation," IJERPH, MDPI, vol. 18(4), pages 1-15, February.
  • Handle: RePEc:gam:jijerp:v:18:y:2021:i:4:p:1670-:d:496585
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    References listed on IDEAS

    as
    1. Mihyang An & Stephen M Colarelli & Kimberly O'Brien & Melanie E Boyajian, 2016. "Why We Need More Nature at Work: Effects of Natural Elements and Sunlight on Employee Mental Health and Work Attitudes," PLOS ONE, Public Library of Science, vol. 11(5), pages 1-17, May.
    2. Florian Lederbogen & Peter Kirsch & Leila Haddad & Fabian Streit & Heike Tost & Philipp Schuch & Stefan Wüst & Jens C. Pruessner & Marcella Rietschel & Michael Deuschle & Andreas Meyer-Lindenberg, 2011. "City living and urban upbringing affect neural social stress processing in humans," Nature, Nature, vol. 474(7352), pages 498-501, June.
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