This is a short summary of the paper
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Seasonal Affective Disorder
Start of Term Paper
, or SAD, is a common problem of people
living in northern United States. People who are affected by this disorder
commonly suffer from depression, lethargy, inability to concentrate, overeating
and weight gain. People from the north tend to .... Middle of Term Paper
... the farther north she moved the early the depression. Mueller had begun to
speculate that the lack of sunlight had contributed to the women’s depression.
In order to confirm this he exposed the patient to artificial sunlight. He
found that over a period of time the patient had recovered from the depression.
Today light therapy is the most commonly used method in treating SAD.
The two hormones that are affected by the sunlight, and are thought to be
the cause of SAD, are melatonin and serotonin. Both of these chemicals “are
influenced by photoperiodism, the earth’s daily dark-light cycle” (Wurtman 1989).
Melatonin is the chemi ... |
| Number of Words: 1047 |
Approximate Pages: 4 |
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