So, it turns out we have an easy time reading emotions in facial expressions, but emotions can straight up kill us! In this episode of Crash Course Psychology, Hank discusses stress, emotions, and their overall impact on our health. Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych! -- Chapters: Introduction: How Emotions Work 00:00 Facial Expressions 1:24 Expressing Emotions 2:18 How Many Emotions Are There? 2:57 Two-Dimensional Model of Emotional Experience 3:29 Defining Stress 4:52 Chronic Stress & the Autonomic Nervous System 6:36 Stress & Heart Disease 7:43 Pessimism & Depression 8:30 Review & Credits 9:30 -- Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids