Why Do We Sigh?
( 01:09 )
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VIDEO DESCRIPTION:

A group of Oslo researchers discovered some pretty fascinating things about the act of sighing, when they studied subjects through questioning and observation. The curiosities they tackled included what prompts sighing, if it’s a form of communication, and how we feel when we hear it as opposed to initiating it. The surveys said that people let out a wheezy exhale when they are experiencing negative moods.

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