Major Depressive Disorder (MDD) is a common mental health challenge that many people face and is different from depression. Learn the signs of MDD, why it happens, and how to treat it. If you or a loved one is seeking more information on treatment: - Visit the ADAA page on depression: https://adaa.org/understanding-anxiety/depression - Join our MDD peer-to-peer support community: https://healthunlocked.com/mdd-support - Subscribe to ADAA’s free public newsletter: https://adaa.informz.net/adaa/pages/Triumph_Subscribe_page - Purchase ADAA's Patient Guide to Mood and Anxiety Disorders: https://ow.ly/9GGu50SJvBm If you or a loved one is experiencing a crisis, please call or text 988, available 24/7 - The Anxiety and Depression Association of America (ADAA), a non-profit organization, leads in education, training, and research for anxiety disorders, depression, PTSD, OCD, and co-occurring disorders. ADAA also provides free evidence-based mental health information and resources to the public. Educational funding for this video provided by Otsuka.