Based on studies conducted a number of researchers Loma Linda University Schools of Allied Health, laugh not only able to lower production of stress hormones, but also boost immunity, lower cholesterol, and blood pressure.
The study involved 14 healthy volunteers during three weeks. To see the effects of laughing merrily, they were asked to select and watch a video duration of 20 minutes. Anyone got a video genre of humor (eustress), other movies that trigger tension (distress). During the study, researchers routinely measure blood pressure, also took blood samples from each volunteer before and finished watching the movie.
The results show, volunteers who watched the movie suspenseful no change in beneficial. Meanwhile, those who watch videos funny experience changes in blood pressure and improved health conditions.
"These results show a variety of modulation and the response of the body due to repeated laugh together with the effect of regular exercise," said Dr. Lee S. Berk, an expert in psychoneuroimmunology, which is involved in the study. Study results presented at the conference 'Experimental Biology' 2010.
