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  1. Depression (major depressive disorder) - Symptoms and causes

    Oct 14, 2022 · Also called major depressive disorder or clinical depression, it affects how you feel, think and behave and can lead to a variety of emotional and physical problems. You may have …

  2. Major depressive disorder - Wikipedia

    Major depressive disorder (MDD), also known as clinical depression, is a mental disorder [10] characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of …

  3. Major Depressive Disorder - StatPearls - NCBI Bookshelf

    Apr 10, 2023 · Major depressive disorder (MDD) has been ranked as the third cause of the burden of disease worldwide in 2008 by WHO, which has projected that this disease will rank …

  4. Clinical Depression (Major Depressive Disorder): Symptoms

    Clinical depression, also known as major depressive disorder (MDD), is a mental health condition that causes a persistently low or depressed mood and a loss of interest in activities that once …

  5. Depression (Major Depressive Disorder): Symptoms and More

    Jul 5, 2025 · Major depressive disorder (MDD) is a common mood disorder characterized by persistent sadness and a loss of interest in activities, impacting mood, behavior, and physical …

  6. Major Depressive Disorder (MDD) - PsychDB

    Feb 27, 2024 · Major Depressive Disorder (MDD) is a mental disorder characterized by persistent, often daily, low mood and/or decreased interest (anhedonia). There are also associated …

  7. Major Depressive Disorder | National Alliance on Mental Illness ... - NAMI

    When more severe symptoms like lack of energy and hopelessness develop in multiple areas of a person’s life along with persistent sadness over at least two weeks, they may be experiencing …

  8. Major Depressive Disorder - MentalHealth.com

    Aug 7, 2025 · Major Depressive Disorder (MDD) is a common but serious mental health condition. This is more than just feeling sad or going through a rough patch; it’s a medical illness that …

  9. Major Depressive Disorder: Symptoms, Causes, Treatment

    Sep 7, 2025 · Major depressive disorder, also known as depression, is a mood disorder that interferes with daily life. Learn about symptoms, causes, and treatment.

  10. A lthough major depressive disorder is common and has significant effects on quality of life, only an estimated 20% of patients with the disorder receive adequate treatment.