[steve86]

“Education and economic disadvantage are actually proxies for brain size. People with large brains have more brain cells to lose”

That’s completely and totally false.

[lee martell]

I think that was a ‘lite’ joke.

[Reeses]

Low IQ at age 11 does really well at predicting later dementia:

Archival intelligence-test records, long presumed lost, provide a unique opportunity for scientists to compare childhood mental ability and later dementia.