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Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
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Calcitonin
Results and Values
What do the test results mean?
Normal levels of calcitonin in the blood range from 0 to 50 picograms per milliliter.
Very high levels of calcitonin in the blood often indicate a specific type of thyroid cancer. This cancer is known as medullary carcinoma of the thyroid gland and commonly occurs in persons with the multiple endocrine neoplasia syndrome, a rare genetic cancer disorder. Mildly elevated levels are associated with other cancers or tumors, liver disease, and kidney failure.