TED-Ed: Why do we feel nostalgia? - Clay Routledge

Johannes Hofer first identified nostalgia in Swiss mercenaries, initially seen as a disease. Over time, its perception evolved from a Swiss-specific affliction to a universal emotional state. By the 20th century, nostalgia was no longer viewed as a neurological disorder but as a mental condition akin to depression. Scientific advancements revealed nostalgia's positive effects on psychological well-being, self-esteem, and social belonging. Today, nostalgia is prevalent in marketing and helps individuals find meaning and motivation, countering negative emotions and fostering personal growth.

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