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Sources:
https://www.sciencedirect.com/science/article/pii/S0887618516300469
https://www.sciencedirect.com/science/article/pii/0272735891900929
https://www.ncbi.nlm.nih.gov/pubmed/8077447
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http://journals.sagepub.com/doi/abs/10.1177/056943459203600210
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https://www.sciencedirect.com/science/article/pii/S0005796701000924
https://www.sbp-journal.com/index.php/sbp/article/view/4791
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5215951/
Humanity’s Deepest, Darkest Fear
Most of us experience specific fears at one point or another, like of death or the future, but psychologists believe there might be one underlying fear from which all others originate.