Guest

Alan Castel

Alan Castel is a UCLA psychology professor who studies human memory, cognitive aging, and how people remember what matters.

Circuit updated July 13, 2026

Notable quotes

“that subjective age is a better predictor of how long you'll live than your biological age.”
Alan Castel · Huberman Lab
“those who have a positive attitude live longer, they're less likely to develop dementia.”
Alan Castel · Huberman Lab
“after the age of 40, most people feel about 20% younger than their actual age.”
Alan Castel · Huberman Lab

All coverage

The UCLA memory researcher gives the Huberman crowd a squishy variable with surprisingly hard stakes.