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 Wysłany: Wto 11:50, 30 Lis 2010 Temat postu: Air Jordan All Day Understanding Seasonal Affectiv |
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The NMHA further offers the following facts about this serious and often misunderstood disorder.,[link widoczny dla zalogowanych]
Particularly interesting are the symptoms of social withdrawal, appetite changes, and difficulty concentrating and processing information, as these symptoms do not necessarily point to l
According to Mental Health America, formerly known as the National Mental Health Association (NMHA), SAD mimics many signs of depression,[link widoczny dla zalogowanych], though it is actually a mood disorder that is related to the body's inability to adapt itself to varying amounts of sunlight.
Though, conversely, some people have developed the opposite pattern and become depressed with the onset of spring or summer, only feeling relief when that season wanes. But, in either case, SAD symptoms generally start out mild and progress in severity throughout the length of the season.
Evidently, just as sunlight affects the seasonal activities of animals (reproductive cycles and hibernation), it may too influence human behavior in similarly cyclical ways. As seasons change, there is a marked shift in the human “internal biological clock,” or circadian rhythm, due in part to patterns directly linked to varying levels of sunlight. The effect is an internal clock that is in step with the seasons but out of step with year-round daily schedules.
Seasonal Affective Disorder Facts and Causes
According to the Mayo Clinic online, seasonal affective disorder (SAD) is a cyclic, seasonal condition with signs and symptoms that reoccur around the same time each year. Usually, symptoms appear during late fall and progress on through the winter, only abating with the onset of longer and sunnier days.
Of course, despite its pervasive grip on so many Americans, Seasonal Affective Disorder is notoriously difficult to diagnose and treat effectively due to its elusive and broad-ranging symptoms and almost entirely subjective level of suffering across those effected. Nevertheless, if the majority of the following symptoms listed below (from the Mayo Clinic on-line) are experienced, SAD may be the cause.
Read on
Chronotherapeutics for Affective Disorders
Light Boxes for Seasonal Affective Disorder
Seasonal Affective Disorder is Underdiagnosed
DepressionHopelessnessAnxietyLoss of energySocial withdrawalOversleepingLoss of interest in activities you once enjoyedAppetite changes, especially a craving for foods high in carbohydratesWeight gainDifficulty concentrating and processing information
A million people suffer from SAD every winter between September and April.The “Winter Blues" may be a milder form of SAD and affect twice as many people.Three out of four SAD sufferers are women.The main onset of SAD occurs between the ages of 18 and 30.SAD occurs in both the northern and southern hemispheres, though, oddly, it is rarely seen in those living within 30 degrees latitude of the equator.The severity of the disorder depends on both a person’s vulnerability to light variance and his or her geographical location.
Correctly Diagnosing and Identifying SAD
Notably, it is important to talk with your doctor regarding any concerns about mood instability or depression.
Also, SAD sufferers seem to more easily produce increased levels of melatonin, a sleep-related hormone that is naturally secreted by the brain. It seems that sufferers excrete heaps of the hormone during extended periods of darkness,[link widoczny dla zalogowanych], so, when the days become shorter and darker, they begin to crave carbohydrates,[link widoczny dla zalogowanych], require greater amounts of sleep, become irritable, and develop a severe disinclination to boogie.
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