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

    Oct 14, 2022 · Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest. Also called major depressive disorder or clinical depression, it affects how you feel, …

  2. Depressive disorder (depression)

    Aug 29, 2025 · WHO fact sheet on depression, providing information on prevalence, symptoms, prevention and contributing factors, diagnosis and treatment, and WHO's work in the area.

  3. Clinical depression: What does that mean? - Mayo Clinic

    May 13, 2017 · Depression ranges in seriousness from mild, temporary episodes of sadness to severe, persistent depression. Clinical depression is the more-severe form of depression, also …

  4. What is depression? A Mayo Clinic expert explains.

    Oct 10, 2022 · What causes clinical depression? Craig Sawchuk, Ph.D., L.P., clinical psychologist at Mayo Clinic, talks you through the symptoms, causes and treatments for depression.

  5. Depression - World Health Organization (WHO)

    Mar 30, 2017 · Depressive disorder, or depression, is a common mental health condition that can happen to anyone. It is characterized by a low mood or loss of pleasure or interest in activities …

  6. Depression (major depressive disorder) - Diagnosis and treatment

    Oct 14, 2022 · Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest and can interfere with your daily functioning.

  7. Depression - World Health Organization (WHO)

    Mar 30, 2017 · Depression is a common illness characterized by persistent sadness and a loss of interest in activities that one normally enjoys, accompanied by an inability to carry out daily …

  8. Adjustment disorders - Diagnosis and treatment - Mayo Clinic

    Jul 6, 2023 · The guidelines list six types of adjustment disorders: With depressed mood. Symptoms mainly include feeling sad, tearful and hopeless, very tired, and taking no pleasure …

  9. Adjustment disorders - Symptoms and causes - Mayo Clinic

    Jul 6, 2023 · Most of the time, people get used to such changes within a few months. But if you have an adjustment disorder, you continue to have emotional or behavioral responses that can …

  10. Depresión (trastorno depresivo mayor) - Mayo Clinic

    Oct 14, 2022 · La depresión es un trastorno emocional que causa un sentimiento de tristeza constante y una pérdida de interés en realizar diferentes actividades. También denominada …