https://journals.sagepub.com/doi/abs/10.1177/074873049701200205 … very weird: nonhuman primate lives 9-10 seasonal photoperiod cycles (days getting short and then long again) and if you speed up those cycles its lifespan drops 30%. If you slowed down the photoperiod cycle could you *increase* lifespan?!
Yes ... there’s some people saying this is a big risk for macular degeneration. They don’t seem to have any meaningful evidence for that, but it’s not impossible
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