Laughter is a universal language that cuts across cultural differences, global boundaries and socioeconomic status. Anyone can recognize a smile and most everyone can partake in laughter. What is laughter? In this book you will find 150 different definitions of laughter from people around the globe, representing all walks of life. And they are not the first to discuss, define and celebrate laughter! Laughter and its effects have elicited the interest of a fascinating mixture of people over time, ranging from scientists, to health experts, communications experts and even yogis.