2) In the start of a shift of perspective nearly 20 years later, the court in State ex rel.
Best Answer: Yes there is a link between having an underactive thyroid and having high cholesterol. In someone with high cholesterol, thyroid function is usually one of the first things that gets investigated.
1 Diffuse Toxic Goiter (Graves' Disease). 2  Overactivity of the entire thyroid gland caused by antibodies in the blood which stimulate the thyroid to grow and secrete excessive amounts of thyroid hormone. 3  Toxic Adenoma (hot nodule). 4  A dominant thyroid nodule, or lump, is overactive and secretes excess thyroid hormone.