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.

What symptoms did Johannes Hofer observe in Swiss mercenaries that led to the discovery of nostalgia?

What was the initial belief about the cause of nostalgia among doctors, and how did it evolve?

How did the perception of nostalgia change from the early 20th century to later decades?

What role does nostalgia play in psychological well-being according to the text?

In what ways do advertisers utilize nostalgia as a marketing technique?