Francieli S Ruiz, Felipe Beijamini, Andrew D Beale, Bruno da Silva B Gonçalves, Daniel Vartanian, Tâmara P Taporoski, Benita Middleton, José E Krieger, Homero Vallada, Josephine Arendt, Alexandre C Pereira, Kristen L Knutson, Mario Pedrazzoli, Malcolm von Schantz
Studying communities at different stages of urbanisation and industrialisation can teach us how timing and intensity of light affect the circadian clock under real-life conditions. We have previously described a strong tendency towards morningness in the Baependi Heart Study, located in a small rural town in Brazil. Here, we tested the hypothesis that this morningness tendency is associated with early circadian phase based on objective measurements (as determined by dim light melatonin onset, DLMO, and activity) and light exposure...
June 29, 2020: Journal of Pineal Research