Laughter Yoga is a different exercise routine which combines genuine laughter with yogic breathing (Pranayama). Anyone can laugh without relying on humor, jokes or comedy. Laughter is initially simulated as a physical exercise while maintaining eye contact with others in the group and promoting childlike playfulness. In most cases, this soon leads to real and contagious laughter. Science has proved that the body cannot differentiate between simulated and real laughter. Laughter Yoga is the only technique that allows adults to achieve sustained hearty laugh without involving cognitive thought. It bypasses the intelligent systems that generally act as a brake on natural laughter.