Part one 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 suffer more from this disorder because of the shortened days. It appears, that due to the deficien ...

Part two of term paper
... a 29-year-old woman. He had noticed a pattern, the woman’s depression came in the winters and left in the spring. Over the course of years the woman moved from city to city. Mueller noticed, that 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 dep ...