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  1. Seasonal affective disorder (SAD) - Mayo Clinic

    Dec 14, 2021 · Seasonal affective disorder (SAD) is a type of depression that's related to changes in seasons — SAD begins and ends at about the same times every year. If you're like most people with …

  2. Seasonal Affective Disorder - National Institute of Mental ... - NIMH

    SAD is a type of depression characterized by a recurrent seasonal pattern, with symptoms lasting about 4−5 months out of the year. The signs and symptoms of SAD include those associated with …

  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 - Wikipedia

    SAD is usually more common in the fall/winter (Winter SAD), though it may occur during the spring/summer (Spring SAD). Winter-onset SAD is more common and is often characterized by …

  5. 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 …

  6. 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 …

  7. 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.

  8. Why shorter days can affect your mood—and what to do about it

    4 days ago · Seasonal affective disorder (SAD) is a type of depression associated with the changing of the seasons. It can occur any time of year, including the spring and summer, but SAD is most often …

  9. 65 Sad Quotes About Love and Life to Help Lift Your Spirits - TODAY

    Jun 18, 2025 · Find solace in these meaningful sad quotes about love and life that can help boost your mood.

  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 …