James_Miller comments on Open thread, Dec. 15 - Dec. 21, 2014 - Less Wrong

2 Post author: Gondolinian 15 December 2014 12:01AM

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Comment author: James_Miller 18 December 2014 04:20:20PM 1 point [-]

While I don't have the stats, I think that 50,000 years ago if you lived to 30, you had a reasonable chance of living to 70, and cancer and heart disease kill lots of people under 70.

Comment author: gwern 19 December 2014 01:49:17AM 4 points [-]

"Longevity Among Hunter-Gatherers: A Cross-Cultural Examination", Gurven & Kaplan 2007; might be helpful.

Comment author: James_Miller 19 December 2014 02:31:51AM *  2 points [-]

Good article. Quotes:

We hypothesize that human bodies are designed to function well for about seven decades in the environment in which our species evolved.

Among traditional hunter-gatherers... life expectancy at age 45 varies from 14 to 24 years...

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