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WebMD
webmd.com › depression
Depression vs. Sadness: When Should You See a Doctor?
January 15, 2025 - Depression is constant, not occasional. Depression is when your symptoms of sadness and loss of interest in life are there all the time. You feel sad and withdrawn just about every day.
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Yale Medicine
medicine.yale.edu › psychiatry › research › clinics-and-programs › winter-depression
Winter Depression Research Clinic | Psychiatry
Seasonal Affective Disorder, also called SAD or winter depression, is a syndrome described by Norman Rosenthal and his colleagues in 1984. These investigators placed an ad in the newspaper seeking individuals who experienced worse mood seasonally. To their surprise, many responses were received, ...
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NewYork-Presbyterian
healthmatters.nyp.org › home › how to recognize the symptoms of seasonal affective disorder (sad)
How to Recognize the Symptoms of Seasonal Affective Disorder (SAD)
August 9, 2025 - Then, as the seasons change again, they will start to feel better, and their depressive symptoms will go down. What are the symptoms of seasonal affective disorder? The symptoms of seasonal affective disorder may be a sad mood, feelings of hopelessness or thoughts of self-harm.
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NIMH
nimh.nih.gov › health › publications › seasonal-affective-disorder-sad-more-than-the-winter-blues
Seasonal Affective Disorder (SAD): More Than the Winter Blues - National Institute of Mental Health (NIMH)
As the days get shorter and there is less daylight, you may start to feel sad. While many people experience the “winter blues,” some people may have a type of depression called seasonal affective disorder (SAD).
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Johns Hopkins Medicine
hopkinsmedicine.org › health › conditions-and-diseases › dysthymia
Dysthymia | Johns Hopkins Medicine
August 20, 2024 - Depression is a mood disorder that affects your body, mood, and thoughts. It affects the way you eat and sleep, think about things, and feel about yourself. It’s not the same as being unhappy or in a "blue" mood. It’s not a sign of weakness or something that can be willed or wished away.
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Chestnut
chestnut.org › mental-health-and-substance-use-treatment › mental-health › learn-the-facts-mental-health › profile › seasonal-affective-disorder
Seasonal Affective Disorder
Seasonal Affective Disorder (SAD) is a type of depression that comes and goes with the seasons, typically starting in the late fall and early winter and going away during the spring and summer. Depressive episodes linked to the summer can occur but are much less common than winter episodes of SAD.
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KidsHealth
kidshealth.org › en › parents › sad.html
Seasonal Affective Disorder (SAD) | Nemours KidsHealth
Seasonal affective disorder (SAD) is depression that happens only at a certain time of year. With SAD, kids and teens tend to become depressed in fall or winter, when days are shorter and it gets dark earlier.
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Genesispsychiatricsolutions
genesispsychiatricsolutions.com › blog › seasonal-affective-disorder-sad-signs-you-need-help
Seasonal Affective Disorder (SAD): Signs You Need Help: Genesis Psychiatric Solutions: Psychiatrists
Do you regularly get feelings of anxiety or depression as fall drifts into winter, and think to yourself, “Oh, it’s that time of year again”? If so, you could be feeling SAD — in other words, you have what is known as seasonal affective disorder.
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The Jed Foundation
jedfoundation.org › home › resources › what’s the difference between sadness and depression?
What’s the Difference Between Sadness and Depression | JED
December 11, 2024 - You may not feel terrible all the ... you around or a fog you can’t seem to clear. You may also feel sad, guilty, hopeless, or numb with or without a clear reason why....
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Bupa
bupa.co.uk › newsroom › ourviews › seasonal-affective-disorder
Six self-help tips for Seasonal Affective Disorder (SAD )
October 3, 2025 - Seasonal affective disorder (SAD) is a type of depression that usually happens at the same time of year. It’s thought that changes during autumn and winter, such as fewer hours of daylight, can negatively impact your mood.
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Aetna
aetna.com › health-guide › how-to-manage-seasonal-depression.html
Seasonal depression (SAD) | Aetna
Seasonal affective disorder (SAD) is depression that’s often related to the change in the seasons.
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HSE.ie
www2.hse.ie › conditions › seasonal-affective-disorder
Seasonal affective disorder (SAD) - symptoms
Seasonal affective disorder (SAD) is a type of depression triggered (caused) by changes of season.
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Columbia University Irving Medical Center
cuimc.columbia.edu › news › how-fight-seasonal-depression
How to Fight Seasonal Depression | Columbia University Irving Medical Center
December 10, 2025 - While some welcome the changing ... a name for this—seasonal affective disorder, or SAD—a type of depression that comes and goes with the seasons.......
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Wikipedia
en.wikipedia.org › wiki › Seasonal_affective_disorder
Seasonal affective disorder - Wikipedia
1 week ago - Seasonal affective disorder (SAD, colloquially referred to as seasonal depression) is a mood disorder subset in which people who typically have normal mental health throughout most of the year exhibit depressive symptoms at the same time each year.
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CMHA British Columbia
bc.cmha.ca › home › documents › seasonal affective disorder
Seasonal Affective Disorder - CMHA British Columbia
July 14, 2016 - Seasonal affective disorder, or SAD, is a kind of depression that appears at certain times of the year. It usually begins in the fall when the days get shorter and lasts through the winter. SAD doesn’t only happen in the colder months though. A less common form of seasonal affective disorder ...
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HealthDirect
healthdirect.gov.au › seasonal-affective-disorder
Seasonal affective disorder (SAD) | healthdirect
Seasonal affective disorder (SAD) is a type of depression that only appears at certain times of the year. Learn how treatment can make a difference.
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UChicago Medicine
uchicagomedicine.org › forefront › health-and-wellness-articles › seasonal-affective-disorder-how-to-spot-and-treat-the-winter-blues
Seasonal affective disorder: It's not just the 'winter blues' - UChicago Medicine
The medical term for winter blues is seasonal affective disorder (SAD). It’s a type of depression prompted by a change in seasons — mainly fall and winter — when we experience less daylight and sunshine.
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Cleveland Clinic
my.clevelandclinic.org › health › diseases › 9293-seasonal-depression
Seasonal Depression (Seasonal Affective Disorder)
July 14, 2025 - Seasonal depression, also called seasonal affective disorder (SAD), is a type of depression. It’s triggered by the change of seasons and most commonly begins in late fall. Symptoms include feelings of sadness, lack of energy, loss of interest ...
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Medical News Today
medicalnewstoday.com › articles › 314418
Depression vs. sadness: How to tell the difference
November 25, 2024 - Sadness is a common emotion and is usually temporary. Depression, meanwhile, is a common mental illness that involves a person feeling persistently sad for more than