Fig. 3From: Effects of a laughter program on body weight and mental health among Japanese people with metabolic syndrome risk factors: a randomized controlled trialThe relationship between the changes in BMI and PCS scores in the laughter group. The change in body mass index (BMI) had a negative correlation with the change in physical component summary (PCS) scores in participants after the intervention (n = 117, p = 0.04)Back to article page