The Unexpected Benefits (and Risks) of Nostalgia

Psychologists consider nostalgia a complex emotion and it may have both benefits and risks.

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Sources:
http://www.etymonline.com/index.php?term=nostalgia
http://www.nytimes.com/2013/07/09/science/what-is-nostalgia-good-for-quite-a-bit-research-shows.html?pagewanted=all
http://www.wildschut.me/Tim_Wildschut/home_files/Nostalgia%20JPSP.pdf
http://www.wildschut.me/Tim_Wildschut/home_files/Routledge,%20Arndt,%20Sedikides,%20%26%20Wildschut,%202008,%20JESP_1.pdf
http://onlinelibrary.wiley.com/doi/10.1002/bdm.1767/full
https://academic.oup.com/jcr/article-abstract/41/3/713/2907535/Nostalgia-Weakens-the-Desire-for-Money
https://www.southampton.ac.uk/~crsi/Sedikides%20Wildschut%20Arndt%20%20Routledge%202008%20CDir.pdf
http://acrwebsite.org/volumes/7326/volumes/v19/NA-19
https://www.ncbi.nlm.nih.gov/pubmed/20307130

Видео The Unexpected Benefits (and Risks) of Nostalgia канала SciShow Psych