We've all heard that 'Laughter is the best medicine'. Well, there are many proven benefits from laughing, chuckling or giggling. Laughing can reduce stress, lower your blood pressure as well as boost your immune system.
The human reaction of laughing is not full understood. Researchers are currently running tests on the effects of laughter. Scientists are actually starting to put people into functional MRI machines and make them laugh in order to find out. In a recent study at Stanford, researchers showed humorous materials to people while their brains were monitored by an MRI. They were able to prove for the first time that laughter (or at least humor) stimulates the parts of our brain that use the "feel good" chemical messenger dopamine. That puts laughter in the category of activities you want to do over and over again, such as eating chocolate or having sex. Dopamine systems that get out of whack can lead to addiction, says Emory University neurologist Gregory Berns. This finding explains why kids want to keep playing silly games until parents can't stand it anymore. Laughter is pleasurable, perhaps even "addictive," to the brain.