Fifteen facial muscles contract during laughter, and there is electrical stimulation of the major muscle of the mouth in particular. (Bartekian, Vatche. Laughter Can Cure What Ails You.)

While a person can feign a smile, it is more difficult to do so with laughter since laughter involves involuntary systems. (Goleman, Daniel, PhD, with Richard Boyatzis, and Annie Mckee. Primal Leadership. p 12. Boston: Harvard Business School Press, 2002.)

Share this page via
Go to top
JSN Boot template designed by JoomlaShine.com