4 ms·
It's interesting to me that the average age at menarche has been declining in recent years - and that we don't really know what that's the case. For example: h
by Ancapistani 3y ago
It's interesting to me that the average age at menarche has been declining in recent years - and that we don't really know what that's the case.
For example: https://www.cdc.gov/nchs/data/nhsr/nhsr146-508.pdf https://www.cdc.gov/nchs/data/nhsr/nhsr146-508.pdf
Now I'm wondering if there has been any change in the age of the onset of menopause, and whether that's been studied...
- thriftwy 3y agoThese who are able to have healthy offspring late in their lives are at tremendous evolutionary advantage now, whereas historically it was a selectionary 'meh'.
- Qem 3y agoI wonder if that leads society to unwittingly be selecting for longer lifespan, if maximum lifespan and maximum reproductive age are correlated.
- thriftwy 3y agoLifespan is almost worthless if you are not in tolerable mental and physical condition, and prolonged fertility likely correlates with both. You need to be fit to be fertile.