Photoperiod and metabolic health: evidence, mechanism, and implications

Article

Regmi, Prashant, Young, Morag, Minigo, Gabriela, Milic, Natalie and Gyawali, Prajwal. 2024. "Photoperiod and metabolic health: evidence, mechanism, and implications." Metabolism: clinical and experimental. 152. https://doi.org/10.1016/j.metabol.2023.155770

Article Title	Photoperiod and metabolic health: evidence, mechanism, and implications
ERA Journal ID	16595
Article Category	Article
Authors	Regmi, Prashant, Young, Morag, Minigo, Gabriela, Milic, Natalie and Gyawali, Prajwal
Journal Title	Metabolism: clinical and experimental
Journal Citation	152
Article Number	155770
Number of Pages	11
Year	2024
ISSN	0026-0495
	1532-8600
Digital Object Identifier (DOI)	https://doi.org/10.1016/j.metabol.2023.155770
Web Address (URL)	https://www.metabolismjournal.com/article/S0026-0495(23)00374-8/fulltext#%20
Abstract	Circadian rhythms are evolutionarily programmed biological rhythms that are primarily entrained by the light cycle. Disruption of circadian rhythms is an important risk factor for several metabolic disorders. Photoperiod is defined as total duration of light exposure in a day. With the extended use of indoor/outdoor light, smartphones, television, computers, and social jetlag people are exposed to excessive artificial light at night increasing their photoperiod. Importantly long photoperiod is not limited to any geographical region, season, age, or socioeconomic group, it is pervasive. Long photoperiod is an established disrupter of the circadian rhythm and can induce a range of chronic health conditions including adiposity, altered hormonal signaling and metabolism, premature ageing, and poor psychological health. This review discusses the impact of exposure to long photoperiod on circadian rhythms, metabolic and mental health, hormonal signaling, and ageing and provides a perspective on possible preventive and therapeutic approaches for this pervasive challenge.
Keywords	metabolic health
Contains Sensitive Content	Does not contain sensitive content
ANZSRC Field of Research 2020	320905. Neurology and neuromuscular diseases

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