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Christina was feeling very sluggish, both physically and mentally. Her hair seemed coarse, she noticed weight gain in the past weeks, and she had hot and cold intolerance. Her internist (physician specializing in the diagnosis and nonsurgical treatment of diseases, especially of adults) ordered a blood test that revealed low levels of a hormone normally secreted from a gland in the neck. She was referred to a specialist, a/an (gynecologist/endocrinologist/pathologist). The physician ordered a blood test that confirmed low levels of the hormone. the diagnosis of (hypothyroidism/hyperthyroidism/psychosis) was thus made, and proper treatment prescribed.
What are endocrinologist and hypothyroidism?