How Nostalgia Went From a ‘Disease’ to a Therapy

In the 17th century, nostalgia was viewed as a disorder.

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We all know that familiar feeling we get when looking through old photos, listening to songs from our past, or telling old stories. Memories come to mind, we start to reminisce and long for days gone by, and we’re left with a feeling of nostalgia.

But what’s really happening internally when we feel this way? And what does it mean?