How Moods Are Affected By The Sun

Part I of Essay
Thesis: The amount of sun people receive affects their mood. A young woman lies asleep on a cold, overcast winter morning. At 4 A.M., a faint incandescence radiates from a light bulb placed near her bed. The light gradually gains intensity and covers until 6 A.M., when ....

Part II of Essay
.... the human psyche: "The curtain of blackness which has overfallen the outer world has also descended upon the inner world of our souls," Cook wrote in his journal on May 16, 1898, "Around our tables . . . . men are sitting about sad and dejected lost in dreams of melancholy. For brief moments some try to break the spell by jokes, told perhaps for the 50th time. Others grind out a cheerful philosophy; but all efforts to infuse bright hopes fail."2 Some believe that light affects the body's ability to make serotonin, a neurotransmitter that ....