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Re:Early Retirement May Speed Up Cognitive Decline: Study by jedberg on Wednesday October 30, 2019 @06:08PM (#21403379)
Lack of testosterone because they already have a mate.

There is a lot of science to back this up. That getting married and/or having kids is what marks a man's decline in innovative output, because they no longer have to impress potential mates.

But it's also correlative and not causative, and assumes most men make the breakthroughs, which has been traditionally true but almost certainly because of some other factor than just gender.

Re:Early Retirement May Speed Up Cognitive Decline: Study by ekianjo on Wednesday October 30, 2019 @08:07PM (#21404416)
Because they no longer have to impress mates? Do you really think the world is explained by a single variable?
Re:Early Retirement May Speed Up Cognitive Decline: Study by jedberg on Wednesday October 30, 2019 @08:15PM (#21404460)
Of course not. But the point is there are many possible explanations other than "aging" to explain lack of breakthroughs in older people.
Re:Early Retirement May Speed Up Cognitive Decline: Study by cft on Wednesday October 30, 2019 @06:19PM (#21403485)
> Lack of testosterone because they already have a mate.

Testesterone decline begins at 30, regardless of the marital status. https://www.menshormonalhealth.com/normal-testosterone-level... This corroborates (in the correlational sense) my original statement.

To those who silently downvoted it: is it politically incorrect to talk about cognitive decline at any age in general, or only starting from a particular age? If 40 was too early, what is the allowed age? 65? 85?

Re:Early Retirement May Speed Up Cognitive Decline: Study by jedberg on Wednesday October 30, 2019 @06:22PM (#21403518)
Overall production declines but relative levels have a greater variance when one isn't "mated". Also other hormones, all of which contribute to "impressing a potential mate".