Ever wonder why hearing an old song or seeing a childhoodtoy can instantly pull you back into a moment that feels both distant and alive? Nostalgia isn’t just sentimentality—it’s a biological and neurological process deeply embedded in the way our brains link emotion, memory, and reward. What feels like a trip down memory lane is, in truth, a carefully orchestrated cascade of neural activity, neurotransmitter release, and sensory reactivation that binds who we were to who we are now. Far from being an indulgent whim, nostalgia is a fundamental biological function that supports mental health, resilience, and the continuity of identity - and this podcast will explore how.

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