Identifying the hormone from Module 2 that is mainly produced at night, and is most directly affected by the lack of sunlight. b) Explaining how problems with this hormone (due to the lack of sunlight) affect individuals with SAD
Seasonal depression, otherwise known as Seasonal Affective Disorder, occurs during the fall and winter months in North America. Although the exact cause of Seasonal Affective Disorder (SAD) has not been identified, doctors suspect that approximately 3% of Canadians will experience SAD due to the shortage of sunlight in winter.
Individuals affected by SAD will experience irritability, carbohydrates cravings, weight gain, difficulty concentrating, fatigue, and mood swings or feelings of sadness. These symptoms appear during the winter months and disappear in the spring.
Using the information from this course, describe the endocrine basis of Seasonal Affective Disorder (SAD) by
a) Identifying the hormone from Module 2 that is mainly produced at night, and is most directly affected by the lack of sunlight.
b) Explaining how problems with this hormone (due to the lack of sunlight) affect individuals with SAD.
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