12 Surprising Causes of Depression
When the thyroid, a butterfly-shaped gland in the neck, doesn't produce enough thyroid hormone, it's known as hypothyroidism, and depression is one of its symptoms. This hormone is multifunctional, but one of its main tasks is to act as a neurotransmitter and regulate serotonin levels. If you experience new depression symptomsparticularly along with cold sensitivity, constipation, and fatiguea thyroid test couldn't hurt. Hypothyroidism is treatable with medication.
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