“…Parameters of physiological and psychological function were evaluated before and after laughter therapy. RESULTS: Laughter therapy intervention resulted in a significant reduction in systolic blood pressure and heart rate, accompanied by a significant increase in plasma concentration of serotonin and a significant decrease in salivary concentration of chromogranin A. …”
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“…RESULTS: The findings showed a significant difference in the mean scores of general health before and after laughter Yoga intervention in the two groups of study and control. …”
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“…The results in Study 2 supported a linear cortical activation and, thus, provided evidence for a biological correlate to the subjective experience of mental refreshment after laughter.…”
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“…Data were obtained at the beginning of the study and after five weeks with the 'State-Trait Anxiety Inventory', 'Satisfaction with Life Scale' and 'Psychological Well-Being Scale'. RESULTS: After laughter therapy, the intervention result showed a significant increase in life satisfaction and psychological well-being scores (p < 0.001) and a significant decrease in anxiety scores (p < 0.001) in the intervention group compared to the control group. …”
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