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  1. Seasonal affective disorder (SAD) - Mayo Clinic

    Dec 14, 2021 · In most cases, seasonal affective disorder (SAD) symptoms appear during late fall or early winter and go away during the sunnier days of spring and summer. Less commonly, people …

  2. Seasonal Affective Disorder - National Institute of Mental Health …

    Information about seasonal affective disorder (SAD), a type of depression, including signs and symptoms, how SAD is diagnosed, causes, and treatment options.

  3. SAD Definition & Meaning - Merriam-Webster

    The meaning of SAD is affected with or expressive of grief or unhappiness : downcast. How to use sad in a sentence.

  4. Seasonal Affective Disorder - Johns Hopkins Medicine

    What is seasonal affective disorder? Seasonal affective disorder (SAD) is a type of depression. It happens during certain seasons of the year, most often fall or winter. It is thought that shorter days …

  5. Seasonal Affective Disorder (SAD) - Psychiatry.org

    Learn about Seasonal Affective Disorder including symptoms, diagnosis and treatment. Seasonal affective disorder is a form of depression also known as SAD, seasonal depression or winter …

  6. Seasonal Affective Disorder - What is SAD? | SAMHSA

    Apr 24, 2023 · Seasonal affective disorder, or SAD, is a condition in which some people experience a significant mood change when the seasons change. SAD is not considered a separate disorder but is …

  7. Seasonal Affective Disorder - Psychology Today

    Feb 28, 2022 · Seasonal affective disorder, or SAD, is a type of recurrent major depressive disorder in which episodes of depression occur during the same season each year.

  8. SAD | English meaning - Cambridge Dictionary

    SAD definition: 1. unhappy or sorry: 2. If something looks sad, it looks worse than it should because it is not…. Learn more.

  9. Seasonal Depression - Symptoms, Causes, Treatments

    Apr 30, 2024 · Seasonal depression, also known as seasonal affective disorder (SAD), is a mood disorder that happens every year at about the same time. It usually starts in fall or winter and ends in …

  10. Sad: Definition, Meaning, and Examples sad - usdictionary.com

    May 13, 2025 · As an adjective, "sad" primarily refers to feeling or showing unhappiness or sorrow. This is its most common usage, applied to both people and situations. It also describes something that …