When an empathetic partner holds a lover's hand, their heart rates and breathing rates sync and their pain subsides, new research shows. Authors say such 'interpersonal synchronization' could play a role in the analgesic impacts of touch.

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When an empathetic partner holds a lover's hand, their heart rates and breathing rates sync and their pain subsides, new research shows. Authors say such 'interpersonal synchronization' could play a role in the analgesic impacts of touch.