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  1. 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.

  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. Seasonal affective disorder (SAD) - Symptoms & causes - Mayo Clinic

    Dec 14, 2021 · If you're like most people with SAD, your symptoms start in the fall and continue into the winter months, sapping your energy and making you feel moody. These symptoms often resolve …

  4. The Symptoms of Seasonal Affective Disorder (SAD)

    Jan 9, 2024 · What is seasonal affective disorder, or SAD? Seasonal affective disorder is a form of depression, where people experience symptoms of depression in a seasonal pattern – typically in the …

  5. 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 …

  6. SAD definition and meaning | Collins English Dictionary

    If you are sad, you feel unhappy, usually because something has happened that you do not like. The relationship had been important to me and its loss left me feeling sad and empty. I'm sad that Julie's …

  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. Is Seasonal Affective Disorder Real? - thewell.northwell.edu

    Seasonal affective disorder is a real, treatable condition. Psychiatrists explain SAD symptoms, causes, and treatments that work—even in February.

  9. Seasonal Affective Disorder (SAD) - Mental Health America

    Seasonal depression, also known as seasonal affective disorder (SAD) or the “winter blues,” is a subtype of depression or bipolar disorder that occurs and ends around the same time every year.

  10. Seasonal affective disorder (SAD): Symptoms, causes, and treatment

    Mar 28, 2025 · In this article, we look at how this condition develops, who might be at risk, and the available treatment options. What is SAD? People with SAD, or major depressive disorder with …