
Castel reveals why making mistakes preserves your aging brain
I recently sat down with UCLA psychologist Dr. Alan Castel to break down how human memory actually functions as we age. It turns out that passive observation is a recipe for cognitive decay, but there is one specific, highly counterintuitive daily habit that can actually grow your hippocampus by a full percentage point in a single year. You do not need expensive supplements or brain games, but you do need to understand how to manipulate this specific physical lever to keep your mind sharp.



