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.
Underactive thyroid may also be caused by: Medications: Many different medications can affect the thyroid gland. Lithium is a common drug that can cause hypothyroidism. Also, medicines such as radioactive iodine â which is used to treat hyperthyroidism (overactive thyroid) â may impair your thyroid function.