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Seasonal Affective Disorder
Part 1 of Paper
.... by this disorder
commonly suffer from depression, lethargy, inability to concentrate, overeating
and weight gain. People from the north tend to suffer more from this disorder
because of the shortened days. It appears, that due to the deficiency of
sunlight some people suffer from these symptoms. The shortened days .... Part 2 of Paper
....y 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 chemical that effects mood and energy levels. In the human
body melatonin is at its highest at night and is lowest in the day. There has
been a study done to see if sunlight has a direct effect on suppressing
melatonin. It is known that melatonin levels in urine are five times.... |
| Number of words: 1047 - Approximate pages: 4 |
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