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Seasonal Affective Disorder

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  • Seasonal Affective Disorder

    Seasonal affective disorder (SAD) may be a kind of depression that is associated with changes in seasons unhappy begins and ends at regarding constant times each year. If you are like the general public with unhappy, your symptoms begin within the fall and continue into the winter months, sapping your energy and creating you're feeling moody. Less often, unhappy causes depression within the spring or early summer.

  • Seasonal Affective Disorder

    Most of the patients with SAD become depressed in the winter, at least in part because of a phase delay in circadiacrhythms relative to the sleep/wake cycle. Seasonal mood symptoms suggest that genetic aberrations may underlie the various abnormalities, which cause SAD symptoms are Feeling sad, grumpy, moody, or anxious, Lose interest in your usual activities, Eat more and crave carbohydrates, such as bread and pasta, Gain weight, Sleep more but still feel tired, Have trouble concentrating. Medication of drug Melatonin secretion occurs later in the night.

  • Seasonal Affective Disorder

    The prevalence of SAD were estimated at 3.8% and 7.5%, respectively, which is signifi- cantly lower than prevalence rates obtained with the same method (?2=9.29 and 7.3; P<.01). The standardized rate ratios compared with the other countries were 0.49 and 0.63 for SAD respectively. No case of summer SAD was found.

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