Why Do We Cry When We Laugh?

Why do we sometimes cry when we're laughing so hard? Your body can produce tears during intense laughter, and the reason is stranger than you might think. From your brain and nervous system to your breathing, facial muscles, and emotional reactions, laughter involves far more of your body than you probably realize. So why can happiness make you cry? And why does laughter sometimes become completely impossible to stop? Watch until the end to find out why crying while laughing is actually a perfectly normal reaction. #WhyDoWeCry #Laughter #HumanBody