BusinessStartup & Funding Kamala Harris' Laugh Is a Campaign Issue. Psychologists Insist It's Also a Lesson in the Energizing Power of Joy By Soumyadeep Pal - August 1, 2024 0 Share FacebookTwitterPinterestWhatsAppLinkedinReddItTelegramTumblrDiggFlipNaverEmailPrint A couple of super geniuses and a mountain of research say that laughter increases motivation, speeds learning, and makes you a better leader.