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#Circadian

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Plants and animals are different [citation needed], but we've both evolved on the same Earth. So the physiology of animals is also affected by exposure to #LightPollution, and this extends to humans and #HumanHealth.

We have the problem that we spend most of the day indoors under artificial lights (much darker than natural day), and then spend the evening indoors under artificial lights (much brighter than natural night). Especially for night owls, this lack of a clear day/night signal screws up our internal #Circadian clocks. These clocks control things like metabolism, so messing with them causes #health problems: doi.org/10.1177/23727322231193 (5/17)