case: (Default)
Case ([personal profile] case) wrote in [community profile] fandomsecrets2021-12-29 05:53 pm

[ SECRET POST #5472 ]


⌈ Secret Post #5472 ⌋

Warning: Some secrets are NOT worksafe and may contain SPOILERS.


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Notes:

Secrets Left to Post: 01 pages, 19 secrets from Secret Submission Post #783.
Secrets Not Posted: [ 0 - broken links ], [ 0 - not!secrets ], [ 0 - not!fandom ], [ 0 - too big ], [ 0 - repeat ].
Current Secret Submissions Post: here.
Suggestions, comments, and concerns should go here.

Re: Why do humans live so damn long?

(Anonymous) 2021-12-30 03:40 am (UTC)(link)
Actually, our lifespans are not actually much longer than they've ever been. Yes, due to medicine and hygiene and better working conditions, we've added some years. But the average life expectancy you read about being much lower in earlier times was much more due to high infant mortality rates - if you have a set with a lot of very low numbers along with high ones, the average will end up in the middle the average for a set like {0.2, 0.1, 0.2, 0.1, 0, 0, 24, 53, 82, 91, 75, 78, 69, 72} is 38.9.

Humans are definitely not the longest-lived by a longshot, though. I mean, there are immortal jellyfish, Greenland sharks can live 400 years, a giant tortoise can live 300, a Macaw 100, etc. I personally have never really understood super-short lifespans, like the Mayfly thing, 24 hours and that's it.

And, my goodness, Anon, who are you hanging out with that you think no one experiences happiness past 30?