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seasonal affective disorder

a mood disorder characterized by depression, extreme lethargy, increased need for sleep, overeating, and carbohydrate craving. It recurs each year in one or more specific seasons, most commonly the winter months, and is hypothesized to be related to melatonin levels.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


Abbreviation for seasonal affective disorder.
Farlex Partner Medical Dictionary © Farlex 2012


seasonal affective disorder
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

seasonal affective disorder

A clinical form of depression with an onset in the late fall and remission in the spring; female:male ratio, 2:1.

Uncertain; reduced daily sunlight causes a drop in serotonin; PET scan data has linked depression to an increased in blood flow through the anterior limbic system, which may ultimately lead to hypoactivity; melatonin is decreased in women in summer and unchanged in men.
Some SAD patients respond to high-intensity light, which alters the circadian rhythm, a therapy that is most effective in the morning; a light intensity of 10,000 lux viewed at close range may reset the biological clock.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.


Seasonal affective disorder, see there.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.


Abbreviation for seasonal affective disorder.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Seasonal affective disorder (SAD)

Amooddisorder characterized by depression during the winter months. An estimated 11 million Americans experience SAD.
Mentioned in: Phototherapy
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.


Abbreviation for seasonal affective disorder.
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about SAD

Q. I may be healthier now, but miserable… I’ve not been smoking for a whole month (my longest period in the last decade), and I do feel a bit better physically, but it seems that I lost the joy of life – I don’t go out with my friends any more (because they’re all smokers), I envy other smokers, and generally I feel nervous and dull. Will it be like that forever or is there hope?

A. Well, try to think about what are you missing? The foul smell? The yellow teeth? The feeling of suffocating next morning? Whenever you feel longing to cigarettes, try to think again why you stopped smoking- and it’d help you to keep with it.

Q. i get in to depression suddenly from a very calm mood. I get in to depression suddenly from a very calm mood. I am having a high mood swing for nearly a year. Sometimes I become crazy and start to jump on the roads. The other minute I do remember something from past and go in to deep depression. Due to this continuous change in my mood I am not able to concentrate on my studies. With this behavior I have lost some of my good friends too. This has put me in continuous stress and I have almost forgotten my good night sleep. My friends say that I am a bipolar….

A. Rohan,
The others are right, it would be benificial to you to seek professional help... You are saying that you have things in your past that are causing you stress, those things need to be worked through with a professional. You do not hve to continue suffering... Seek a proper diagnosis and you will get treatments that can help you feel much better...

Q. I’m often getting mood swings and depression. I’m fresher to my college. I’m often getting mood swings and depression. I don’t have close friend in this college, to share my thoughts. And I think there’s no point in life. And I don't want to do anything. Help me.

A. Well, depression and mood swings are common to all. So don’t worry about that. You need to talk to someone who is close to you and try to talk with your doctor, and a small amount of meds will help out a lot and won’t make you sick. Good luck!!!

More discussions about SAD
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References in periodicals archive ?
WAPDA employees immediately stop their work and they assembled in front of sadder police station Chakwal and they also cut electricity of police station.
According to details, the accused cop a few days back had mistreated a minor girl near village Dheera Sanda, in the limits of Sadder Sialkot police station, over a minor issue and a man named Yaseen, a relative of the minor girl, had filmed the entire incident via his mobile phone.
Even sadder has been David James's inevitable rise up the pecking order of possible successors to the pony-tailed one.
Sadder explained that Yellow Door Energy will be offering its services at 15-20% lower prices than the government's.
THIS world is now a sadder place Without your smile without your face Your poetry, your music too It's quiet now.
Shah added that 27,000 foreign nationals visiting the sadder area as the leader of Bohra community was present in the city.
Marcos said Santiago, who passed away on Thursday after a battling lung cancer, has left the world 'less wise, less bright, and sadder.'
But as the news sank in, I felt much sadder than I usually do when celebrities pass away.
Mr Pattemore said he wanted to recapture some of his memories from a surprise 50th birthday trip to the desert nation which the late Loose Women presenter took him on nine years ago: "I've no doubt there'll be tears but with a bit of luck some of those happy, carefree memories will come flooding back to replace some of the sadder, more recent ones." The couple met 10 years before the actress and presenter died from cancer in October at the age of 66 - before she could fulfil her final wish of one last family Christmas.
If you don't change things you're just going to get sadder and sadder and waste so many precious years of your life.
Washington, Sept 4 ( ANI ): A new study has found that people who stayed up for nearly a day and a half looked sadder and had more apparent wrinkles than when they were well-rested.
Pop music is getting sadder and sadder: A study published by the journal, Psychology of Aesthetics, Creativity and the Arts, concluded that Top 40 hits since 1965 have become longer, slower and sadder, and they increasingly convey "mixed emotional cues." According to the study: "As the lyrics of popular music became more self-focused and negative over time, the music itself became sadder-sounding and more emotionally ambiguous." So if you're looking for an uplifting toe-tapper, best stick to the oldies.