Developing diabetes and other lifestyle-related diseases is no joke, but university researchers have come up with a unique exercise that involves massaging the facial muscles through laughter to help relieve stress and prevent illness.
Some local governments have introduced "the laughing-muscle exercise" developed by Keiko Hayashi, an associate professor at the University of Tsukuba, to promote public health.
Information entering through the eyes and ears is processed in the cerebral limbic system, which lies at the back of the cerebrum and controls feelings.