Edition · Monday, 11 May 2026
What happened, the forces beneath it, why it matters — then your turn.
01 · Lesson · why it matters
How brain aging works — and what you can actually slow
Brain aging is synaptic loss, inflammation, and declining neuroplasticity. Three activities slow these processes by triggering specific cellular responses — not because they're virtuous, but because they're mechanistically sound.
6 min
Read the lesson
02 · Lab · your turn
Synaptic Pruning and Rewiring
Your brain prunes unused connections and builds new ones in response to activity—the balance between loss and growth determines whether capacity expands or shrinks over time.
Rehearse the decision