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Swearing can measurably boost physical performance by increasing focus, confidence and psychological flow, according to a peer-reviewed study published by the American Psychological Association. (Source: free licensed)
Psychology

Why Swearing Makes You Stronger

Swearing may do more than vent frustration. New psychological research shows that repeating a swear word can measurably boost strength and endurance by increasing focus, confidence and mental “flow,” helping people push past self-imposed limits without drugs or training aids.

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