Seasonal affective disorder is due to hypersecretion of which following hormones by the endocrine gland marked in the diagram?

Question

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Seasonal affective disorder (SAD) is characterized by depression that occurs at the same time every year, usually in winter. It is thought to be caused by a lack of sunlight that leads to an overproduction of the hormone melatonin by the pineal gland.

Seasonal Affective Disorder Is Due to Hypersecretion of Which Following