Worldwide, clinical depression is a top reason why people are unable to attend school, go to work, and live the life they want to live. In this video, psychiatrist Dr. Paula Tran explains what major depressive disorder (MDD) is, how to recognize it, and what causes it. Many people wonder "What is depression? How to know if you have depression? How can I help someone with depression? How to overcome depression?" Watch as Dr. Tran answers these questions and more. MDD is treatable, and the right combination of social support, lifestyle changes, and professional help can help people with MDD regain control of their lives. 0:00 Introduction 0:47 Changing moods and emotions 1:54 What is major depressive disorder? What are the symptoms? 4:51 What causes major depressive disorder? 6:01 Support and treatment National Suicide Prevention Lifeline https://suicidepreventionlifeline.org/ 1-800-273-TALK 1-800-273-8255 Dr. Paula Tran is a child, adolescent, and adult psychiatrist at Stanford University. The information in this video was accurate as of the upload date, 6/28/2022. For information purposes only. Consult your local medical authority or your healthcare practitioner for advice. This video is a production of the Stanford Center for Health Education team, in collaboration with Stanford Medicine and the Stanford Center for Professional Development. At the Stanford Center for Health Education, we believe that expanding access to engaging education has the power to change behaviors, improve health, and save lives. Stanford Center for Health Education Website: https://healtheducation.stanford.edu/ Twitter: https://twitter.com/Stanford_CHE Facebook: https://www.facebook.com/StanfordCenterforHealthEducation LinkedIn: https://www.linkedin.com/company/stanford-center-for-health-education Digital Medic Website: https://digitalmedic.stanford.edu/ Twitter: https://twitter.com/digital__medic Facebook: https://www.facebook.com/digitalmedic.org/ Instagram: https://www.instagram.com/digitalmedicstanford/