Jul 7, 2026 · 5 min · 7 segments
You turn 65. Everyone tells you you’re past your prime. Your doctor nods. Your friends complain about their knees. The culture screams: “It’s all downhill from here.” And then a study of 11,000…
Which is wild, because the data we're looking at completely turns that standard, inevitable decline narrative totally upside down.
It really does.
I was looking through the notes on this fascinating Yale University study led by Becca Levy.
Oh, the 12-year one, right.
Yeah,
exactly.
They tracked over 11,000 older adults over a 12-year period.
And what they found is that nearly 45% of them actually improved in cognitive or physical function.
Wait, improved? Like not just stayed the same?
No, they literally got better.
They didn't just maintain the status quo.
And the craziest part is the biggest predictor of that improvement wasn't like genetics.
Or wealth or anything like that.
Nope, it wasn't wealth either.
It was simply having positive beliefs about aging.
Which is incredible to think about.
It is.
Which is wild, because the data we're looking at completely turns that standard, inevitable decline narrative totally upside down.
It really does.
I was looking through the notes on this fascinating Yale University study led by Becca Levy.
Oh, the 12-year one, right.
Yeah,
exactly.
They tracked over 11,000 older adults over a 12-year period.
And what they found is that nearly 45% of them actually improved in cognitive or physical function.
Wait, improved? Like not just stayed the same?
No, they literally got better.
They didn't just maintain the status quo.
And the craziest part is the biggest predictor of that improvement wasn't like genetics.
Or wealth or anything like that.
Nope, it wasn't wealth either.
It was simply having positive beliefs about aging.
Which is incredible to think about.
It is.
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