Snapshot · Huberman Lab
Correlational research suggests that spending about 5 hours per week with grandchildren is associated with improved memory in older adults, though more than 20 hours may reverse the benefit.
Where this was said
At 1:27:48 · chapter starts 1:26:23
The COVID pandemic offered an unexpected natural experiment: older adults — widely assumed to be the most vulnerable to the social isolation — turned out to be significantly more psychologically resilient than younger cohorts. Castel describes his own research finding this pattern and explains why it makes sense: older adults have already navigated financial meltdowns, family deaths, relationship failures, and societal upheavals. Each survived crisis becomes a proof point — 'I'm still here' — that makes the next adversity feel more navigable. Younger adults experiencing their first major disruption lacked this reference archive. The Blue Zone connection is direct: communities where people age exceptionally well tend to have built-in daily structures — walking uphill to the market, communal meals, intergenerational living — rather than deliberate health regimes. The lesson Castel draws: resilience is not a trait you either have or don't; it's something accumulated through weathering difficulties and updating your sense of what you can survive.
San Francisco's average rent rose 18% over the past two years to $3,728/month, surpassing New York City as the most expensive rental market in the country.
San Francisco's average monthly rent now stands at $3,728, surpassing New York City to become the most expensive rental city in the United States.
At a childhood sleepover, Bobby Lee's friends drew penises on his face and he walked 7 miles home on a dirt road before being picked up by Eric Purvis's mom.
In 1950, about 60% of the world lived in extreme poverty; today it's about 1 in 10, attributable to capitalist economic growth.
From 2021 to 2024, 6 million children fell below the poverty line in the US after the expanded child tax credit expired.
Private domestic infant and international adoptions typically cost $40,000 to $70,000, while foster care adoption is the most affordable route at $0 to $2,000.
Historically, only 40% of men have ever reproduced — Galloway uses this to argue that romantic success requires effort, not a hall pass.
Robby Hoffman is the 7th of 10 children raised in a Hasidic household in Montreal, where the family was poor and comedy was a survival mechanism.
Robby's Hasidic community had no concept of 'too soon' in comedy — if it was funny, you threw it, and if you bombed, your sibling told you immediately.
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