As many people as possible the wise

Something more clever scientists believe that the more people, more speech will make people smarter, inspired by the emergence, enhanced creativity. Speeches are good for enhancing brain function, because oral is one of the closest to the brain organ, sports and stimulating oral makes sufficient blood supply to the brain, and thus improve brain hypoxia caused by continuous brain, function of the brain to continue to strengthen. So don't silence, more talk is also good for your health. See December 10, 2009 Edition of the family health report of the original "fashion health"