The benefits of a well-timed curse: What science says about swearing
Briefly

"Swear words always generate a reaction by acting as emotional switches in the brain, altering emotional states and provoking physiological responses, such as a state of alert."
"When we hear a swear word, our brain perceives it as a threat or an emotionally charged stimulus. This activates different brain networks and structures, especially the amygdala."
Read at english.elpais.com
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