Last edited on April 30, 2020 This is an old revision of the document! Hypothyroidism Primer Hypothyroidism is a disorder of the endocrine system where the thyroid gland does not produce enough thyroid hormone. Treatment Bekkering, G. E., Agoritsas, T., Lytvyn, L., Heen, A. F., Feller, M., Moutzouri, E., ... & Farhoumand, P. D. (2019). Thyroid hormones treatment for subclinical hypothyroidism: a clinical practice guideline. BMJ, 365, l2006. Resources Articles CBC: At 23, I had my cancerous thyroid removed. My family doctor thought I was depressed